Home / 103,331.81-142,580.92-60,884.57

Finding the Fourth Proportional to 103,331.81, 142,580.92 and 60,884.57

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Solution

The fourth proportional to 103,331.81, 142,580.92 and 60,884.57 is: 84,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,331.81 : 142,580.92 = 60,884.57 : x
  2. Step 2: Convert to fraction form
    103,331.81/142,580.92 = 60,884.57/x
  3. Step 3: Cross multiply
    103,331.81x = 142,580.92 × 60,884.57
  4. Step 4: Simplify right side
    103,331.81x = 8,680,977,699.98
  5. Step 5: Solve for x
    x = 8,680,977,699.98/103,331.81
  6. Step 6: Final answer
    x = 84,010.70

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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.