Home / 112,417.16-155,134.58-62,115.08

Finding the Fourth Proportional to 112,417.16, 155,134.58 and 62,115.08

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Solution

The fourth proportional to 112,417.16, 155,134.58 and 62,115.08 is: 85,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,417.16 : 155,134.58 = 62,115.08 : x
  2. Step 2: Convert to fraction form
    112,417.16/155,134.58 = 62,115.08/x
  3. Step 3: Cross multiply
    112,417.16x = 155,134.58 × 62,115.08
  4. Step 4: Simplify right side
    112,417.16x = 9,636,196,847.47
  5. Step 5: Solve for x
    x = 9,636,196,847.47/112,417.16
  6. Step 6: Final answer
    x = 85,718.20

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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.