Home / 112,991.13-155,929.14-62,000.55

Finding the Fourth Proportional to 112,991.13, 155,929.14 and 62,000.55

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Solution

The fourth proportional to 112,991.13, 155,929.14 and 62,000.55 is: 85,561.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,991.13 : 155,929.14 = 62,000.55 : x
  2. Step 2: Convert to fraction form
    112,991.13/155,929.14 = 62,000.55/x
  3. Step 3: Cross multiply
    112,991.13x = 155,929.14 × 62,000.55
  4. Step 4: Simplify right side
    112,991.13x = 9,667,692,441.03
  5. Step 5: Solve for x
    x = 9,667,692,441.03/112,991.13
  6. Step 6: Final answer
    x = 85,561.52

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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.