Home / 91,972.44-137,399.22-58,423.68

Finding the Fourth Proportional to 91,972.44, 137,399.22 and 58,423.68

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Solution

The fourth proportional to 91,972.44, 137,399.22 and 58,423.68 is: 87,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,972.44 : 137,399.22 = 58,423.68 : x
  2. Step 2: Convert to fraction form
    91,972.44/137,399.22 = 58,423.68/x
  3. Step 3: Cross multiply
    91,972.44x = 137,399.22 × 58,423.68
  4. Step 4: Simplify right side
    91,972.44x = 8,027,368,061.53
  5. Step 5: Solve for x
    x = 8,027,368,061.53/91,972.44
  6. Step 6: Final answer
    x = 87,280.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.