Home / 113,921.18-157,210.60-62,937.41

Finding the Fourth Proportional to 113,921.18, 157,210.60 and 62,937.41

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Solution

The fourth proportional to 113,921.18, 157,210.60 and 62,937.41 is: 86,853.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,921.18 : 157,210.60 = 62,937.41 : x
  2. Step 2: Convert to fraction form
    113,921.18/157,210.60 = 62,937.41/x
  3. Step 3: Cross multiply
    113,921.18x = 157,210.60 × 62,937.41
  4. Step 4: Simplify right side
    113,921.18x = 9,894,427,988.55
  5. Step 5: Solve for x
    x = 9,894,427,988.55/113,921.18
  6. Step 6: Final answer
    x = 86,853.28

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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.