Home / 91,737.13-137,626.40-32,572.81

Finding the Fourth Proportional to 91,737.13, 137,626.40 and 32,572.81

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Solution

The fourth proportional to 91,737.13, 137,626.40 and 32,572.81 is: 48,866.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,737.13 : 137,626.40 = 32,572.81 : x
  2. Step 2: Convert to fraction form
    91,737.13/137,626.40 = 32,572.81/x
  3. Step 3: Cross multiply
    91,737.13x = 137,626.40 × 32,572.81
  4. Step 4: Simplify right side
    91,737.13x = 4,482,878,578.18
  5. Step 5: Solve for x
    x = 4,482,878,578.18/91,737.13
  6. Step 6: Final answer
    x = 48,866.57

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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.