Home / 109,526.92-151,140.86-61,777.42

Finding the Fourth Proportional to 109,526.92, 151,140.86 and 61,777.42

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Solution

The fourth proportional to 109,526.92, 151,140.86 and 61,777.42 is: 85,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,526.92 : 151,140.86 = 61,777.42 : x
  2. Step 2: Convert to fraction form
    109,526.92/151,140.86 = 61,777.42/x
  3. Step 3: Cross multiply
    109,526.92x = 151,140.86 × 61,777.42
  4. Step 4: Simplify right side
    109,526.92x = 9,337,092,387.38
  5. Step 5: Solve for x
    x = 9,337,092,387.38/109,526.92
  6. Step 6: Final answer
    x = 85,249.29

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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.