Home / 109,808.38-151,535.50-59,507.38

Finding the Fourth Proportional to 109,808.38, 151,535.50 and 59,507.38

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Solution

The fourth proportional to 109,808.38, 151,535.50 and 59,507.38 is: 82,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,808.38 : 151,535.50 = 59,507.38 : x
  2. Step 2: Convert to fraction form
    109,808.38/151,535.50 = 59,507.38/x
  3. Step 3: Cross multiply
    109,808.38x = 151,535.50 × 59,507.38
  4. Step 4: Simplify right side
    109,808.38x = 9,017,480,581.99
  5. Step 5: Solve for x
    x = 9,017,480,581.99/109,808.38
  6. Step 6: Final answer
    x = 82,120.15

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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.