Home / 113,741.47-156,963.78-62,754.20

Finding the Fourth Proportional to 113,741.47, 156,963.78 and 62,754.20

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Solution

The fourth proportional to 113,741.47, 156,963.78 and 62,754.20 is: 86,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,741.47 : 156,963.78 = 62,754.20 : x
  2. Step 2: Convert to fraction form
    113,741.47/156,963.78 = 62,754.20/x
  3. Step 3: Cross multiply
    113,741.47x = 156,963.78 × 62,754.20
  4. Step 4: Simplify right side
    113,741.47x = 9,850,136,011.34
  5. Step 5: Solve for x
    x = 9,850,136,011.34/113,741.47
  6. Step 6: Final answer
    x = 86,601.10

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1.5x scale

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.