Home / 112,711.66-155,540.19-62,409.58

Finding the Fourth Proportional to 112,711.66, 155,540.19 and 62,409.58

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Solution

The fourth proportional to 112,711.66, 155,540.19 and 62,409.58 is: 86,124.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,711.66 : 155,540.19 = 62,409.58 : x
  2. Step 2: Convert to fraction form
    112,711.66/155,540.19 = 62,409.58/x
  3. Step 3: Cross multiply
    112,711.66x = 155,540.19 × 62,409.58
  4. Step 4: Simplify right side
    112,711.66x = 9,707,197,931.02
  5. Step 5: Solve for x
    x = 9,707,197,931.02/112,711.66
  6. Step 6: Final answer
    x = 86,124.17

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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.