Home / 91,864.04-137,821.99-36,498.92

Finding the Fourth Proportional to 91,864.04, 137,821.99 and 36,498.92

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Solution

The fourth proportional to 91,864.04, 137,821.99 and 36,498.92 is: 54,758.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,864.04 : 137,821.99 = 36,498.92 : x
  2. Step 2: Convert to fraction form
    91,864.04/137,821.99 = 36,498.92/x
  3. Step 3: Cross multiply
    91,864.04x = 137,821.99 × 36,498.92
  4. Step 4: Simplify right side
    91,864.04x = 5,030,353,787.25
  5. Step 5: Solve for x
    x = 5,030,353,787.25/91,864.04
  6. Step 6: Final answer
    x = 54,758.68

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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.