Home / 91,758.68-137,637.72-25,198.88

Finding the Fourth Proportional to 91,758.68, 137,637.72 and 25,198.88

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Solution

The fourth proportional to 91,758.68, 137,637.72 and 25,198.88 is: 37,798.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,758.68 : 137,637.72 = 25,198.88 : x
  2. Step 2: Convert to fraction form
    91,758.68/137,637.72 = 25,198.88/x
  3. Step 3: Cross multiply
    91,758.68x = 137,637.72 × 25,198.88
  4. Step 4: Simplify right side
    91,758.68x = 3,468,316,389.75
  5. Step 5: Solve for x
    x = 3,468,316,389.75/91,758.68
  6. Step 6: Final answer
    x = 37,798.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.