Home / 113,606.98-156,776.85-62,619.75

Finding the Fourth Proportional to 113,606.98, 156,776.85 and 62,619.75

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Solution

The fourth proportional to 113,606.98, 156,776.85 and 62,619.75 is: 86,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,606.98 : 156,776.85 = 62,619.75 : x
  2. Step 2: Convert to fraction form
    113,606.98/156,776.85 = 62,619.75/x
  3. Step 3: Cross multiply
    113,606.98x = 156,776.85 × 62,619.75
  4. Step 4: Simplify right side
    113,606.98x = 9,817,327,152.79
  5. Step 5: Solve for x
    x = 9,817,327,152.79/113,606.98
  6. Step 6: Final answer
    x = 86,414.83

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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.