Home / 81,199.69-112,055.58-45,388.94

Finding the Fourth Proportional to 81,199.69, 112,055.58 and 45,388.94

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Solution

The fourth proportional to 81,199.69, 112,055.58 and 45,388.94 is: 62,636.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,199.69 : 112,055.58 = 45,388.94 : x
  2. Step 2: Convert to fraction form
    81,199.69/112,055.58 = 45,388.94/x
  3. Step 3: Cross multiply
    81,199.69x = 112,055.58 × 45,388.94
  4. Step 4: Simplify right side
    81,199.69x = 5,086,083,437.01
  5. Step 5: Solve for x
    x = 5,086,083,437.01/81,199.69
  6. Step 6: Final answer
    x = 62,636.74

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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.