Home / 113,824.20-157,079.90-62,836.80

Finding the Fourth Proportional to 113,824.20, 157,079.90 and 62,836.80

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Solution

The fourth proportional to 113,824.20, 157,079.90 and 62,836.80 is: 86,716.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,824.20 : 157,079.90 = 62,836.80 : x
  2. Step 2: Convert to fraction form
    113,824.20/157,079.90 = 62,836.80/x
  3. Step 3: Cross multiply
    113,824.20x = 157,079.90 × 62,836.80
  4. Step 4: Simplify right side
    113,824.20x = 9,870,398,260.32
  5. Step 5: Solve for x
    x = 9,870,398,260.32/113,824.20
  6. Step 6: Final answer
    x = 86,716.17

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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.