Home / 103,040.19-142,207.43-62,777.61

Finding the Fourth Proportional to 103,040.19, 142,207.43 and 62,777.61

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Solution

The fourth proportional to 103,040.19, 142,207.43 and 62,777.61 is: 86,640.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,040.19 : 142,207.43 = 62,777.61 : x
  2. Step 2: Convert to fraction form
    103,040.19/142,207.43 = 62,777.61/x
  3. Step 3: Cross multiply
    103,040.19x = 142,207.43 × 62,777.61
  4. Step 4: Simplify right side
    103,040.19x = 8,927,442,265.75
  5. Step 5: Solve for x
    x = 8,927,442,265.75/103,040.19
  6. Step 6: Final answer
    x = 86,640.39

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