Home / 113,815.20-157,073.68-62,837.76

Finding the Fourth Proportional to 113,815.20, 157,073.68 and 62,837.76

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Solution

The fourth proportional to 113,815.20, 157,073.68 and 62,837.76 is: 86,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,815.20 : 157,073.68 = 62,837.76 : x
  2. Step 2: Convert to fraction form
    113,815.20/157,073.68 = 62,837.76/x
  3. Step 3: Cross multiply
    113,815.20x = 157,073.68 × 62,837.76
  4. Step 4: Simplify right side
    113,815.20x = 9,870,158,206.16
  5. Step 5: Solve for x
    x = 9,870,158,206.16/113,815.20
  6. Step 6: Final answer
    x = 86,720.91

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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.