Home / 103,331.31-142,580.23-60,884.07

Finding the Fourth Proportional to 103,331.31, 142,580.23 and 60,884.07

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Solution

The fourth proportional to 103,331.31, 142,580.23 and 60,884.07 is: 84,010.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,331.31 : 142,580.23 = 60,884.07 : x
  2. Step 2: Convert to fraction form
    103,331.31/142,580.23 = 60,884.07/x
  3. Step 3: Cross multiply
    103,331.31x = 142,580.23 × 60,884.07
  4. Step 4: Simplify right side
    103,331.31x = 8,680,864,551.73
  5. Step 5: Solve for x
    x = 8,680,864,551.73/103,331.31
  6. Step 6: Final answer
    x = 84,010.01

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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.