Home / 112,712.16-155,540.88-62,410.08

Finding the Fourth Proportional to 112,712.16, 155,540.88 and 62,410.08

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Solution

The fourth proportional to 112,712.16, 155,540.88 and 62,410.08 is: 86,124.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,712.16 : 155,540.88 = 62,410.08 : x
  2. Step 2: Convert to fraction form
    112,712.16/155,540.88 = 62,410.08/x
  3. Step 3: Cross multiply
    112,712.16x = 155,540.88 × 62,410.08
  4. Step 4: Simplify right side
    112,712.16x = 9,707,318,764.07
  5. Step 5: Solve for x
    x = 9,707,318,764.07/112,712.16
  6. Step 6: Final answer
    x = 86,124.86

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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.