Home / 91,368.04-137,103.90-36,002.92

Finding the Fourth Proportional to 91,368.04, 137,103.90 and 36,002.92

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Solution

The fourth proportional to 91,368.04, 137,103.90 and 36,002.92 is: 54,024.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,368.04 : 137,103.90 = 36,002.92 : x
  2. Step 2: Convert to fraction form
    91,368.04/137,103.90 = 36,002.92/x
  3. Step 3: Cross multiply
    91,368.04x = 137,103.90 × 36,002.92
  4. Step 4: Simplify right side
    91,368.04x = 4,936,140,743.39
  5. Step 5: Solve for x
    x = 4,936,140,743.39/91,368.04
  6. Step 6: Final answer
    x = 54,024.81

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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.