Home / 113,606.10-156,777.46-62,620.78

Finding the Fourth Proportional to 113,606.10, 156,777.46 and 62,620.78

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Solution

The fourth proportional to 113,606.10, 156,777.46 and 62,620.78 is: 86,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,606.10 : 156,777.46 = 62,620.78 : x
  2. Step 2: Convert to fraction form
    113,606.10/156,777.46 = 62,620.78/x
  3. Step 3: Cross multiply
    113,606.10x = 156,777.46 × 62,620.78
  4. Step 4: Simplify right side
    113,606.10x = 9,817,526,929.96
  5. Step 5: Solve for x
    x = 9,817,526,929.96/113,606.10
  6. Step 6: Final answer
    x = 86,417.25

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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.