Home / 82,210.51-123,331.32-26,064.76

Finding the Fourth Proportional to 82,210.51, 123,331.32 and 26,064.76

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Solution

The fourth proportional to 82,210.51, 123,331.32 and 26,064.76 is: 39,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,210.51 : 123,331.32 = 26,064.76 : x
  2. Step 2: Convert to fraction form
    82,210.51/123,331.32 = 26,064.76/x
  3. Step 3: Cross multiply
    82,210.51x = 123,331.32 × 26,064.76
  4. Step 4: Simplify right side
    82,210.51x = 3,214,600,574.46
  5. Step 5: Solve for x
    x = 3,214,600,574.46/82,210.51
  6. Step 6: Final answer
    x = 39,102.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.