Home / 113,630.96-156,803.67-62,641.06

Finding the Fourth Proportional to 113,630.96, 156,803.67 and 62,641.06

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Solution

The fourth proportional to 113,630.96, 156,803.67 and 62,641.06 is: 86,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,630.96 : 156,803.67 = 62,641.06 : x
  2. Step 2: Convert to fraction form
    113,630.96/156,803.67 = 62,641.06/x
  3. Step 3: Cross multiply
    113,630.96x = 156,803.67 × 62,641.06
  4. Step 4: Simplify right side
    113,630.96x = 9,822,347,708.68
  5. Step 5: Solve for x
    x = 9,822,347,708.68/113,630.96
  6. Step 6: Final answer
    x = 86,440.77

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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.