Home / 91,470.75-137,246.85-58,182.18

Finding the Fourth Proportional to 91,470.75, 137,246.85 and 58,182.18

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Solution

The fourth proportional to 91,470.75, 137,246.85 and 58,182.18 is: 87,299.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,470.75 : 137,246.85 = 58,182.18 : x
  2. Step 2: Convert to fraction form
    91,470.75/137,246.85 = 58,182.18/x
  3. Step 3: Cross multiply
    91,470.75x = 137,246.85 × 58,182.18
  4. Step 4: Simplify right side
    91,470.75x = 7,985,320,931.13
  5. Step 5: Solve for x
    x = 7,985,320,931.13/91,470.75
  6. Step 6: Final answer
    x = 87,299.17

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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.