Home / 109,737.13-151,449.53-61,993.55

Finding the Fourth Proportional to 109,737.13, 151,449.53 and 61,993.55

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Solution

The fourth proportional to 109,737.13, 151,449.53 and 61,993.55 is: 85,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,737.13 : 151,449.53 = 61,993.55 : x
  2. Step 2: Convert to fraction form
    109,737.13/151,449.53 = 61,993.55/x
  3. Step 3: Cross multiply
    109,737.13x = 151,449.53 × 61,993.55
  4. Step 4: Simplify right side
    109,737.13x = 9,388,894,010.53
  5. Step 5: Solve for x
    x = 9,388,894,010.53/109,737.13
  6. Step 6: Final answer
    x = 85,558.04

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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.