Home / 89,210.51-123,110.37-51,484.76

Finding the Fourth Proportional to 89,210.51, 123,110.37 and 51,484.76

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Solution

The fourth proportional to 89,210.51, 123,110.37 and 51,484.76 is: 71,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,210.51 : 123,110.37 = 51,484.76 : x
  2. Step 2: Convert to fraction form
    89,210.51/123,110.37 = 51,484.76/x
  3. Step 3: Cross multiply
    89,210.51x = 123,110.37 × 51,484.76
  4. Step 4: Simplify right side
    89,210.51x = 6,338,307,237.41
  5. Step 5: Solve for x
    x = 6,338,307,237.41/89,210.51
  6. Step 6: Final answer
    x = 71,048.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.