Home / 91,688.24-137,532.36-32,521.52

Finding the Fourth Proportional to 91,688.24, 137,532.36 and 32,521.52

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Solution

The fourth proportional to 91,688.24, 137,532.36 and 32,521.52 is: 48,782.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,688.24 : 137,532.36 = 32,521.52 : x
  2. Step 2: Convert to fraction form
    91,688.24/137,532.36 = 32,521.52/x
  3. Step 3: Cross multiply
    91,688.24x = 137,532.36 × 32,521.52
  4. Step 4: Simplify right side
    91,688.24x = 4,472,761,396.39
  5. Step 5: Solve for x
    x = 4,472,761,396.39/91,688.24
  6. Step 6: Final answer
    x = 48,782.28

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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.