Home / 113,608.74-156,781.16-62,623.47

Finding the Fourth Proportional to 113,608.74, 156,781.16 and 62,623.47

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Solution

The fourth proportional to 113,608.74, 156,781.16 and 62,623.47 is: 86,420.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,608.74 : 156,781.16 = 62,623.47 : x
  2. Step 2: Convert to fraction form
    113,608.74/156,781.16 = 62,623.47/x
  3. Step 3: Cross multiply
    113,608.74x = 156,781.16 × 62,623.47
  4. Step 4: Simplify right side
    113,608.74x = 9,818,180,269.83
  5. Step 5: Solve for x
    x = 9,818,180,269.83/113,608.74
  6. Step 6: Final answer
    x = 86,420.99

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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.