Home / 91,402.48-137,124.21-32,238.64

Finding the Fourth Proportional to 91,402.48, 137,124.21 and 32,238.64

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Solution

The fourth proportional to 91,402.48, 137,124.21 and 32,238.64 is: 48,365.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,402.48 : 137,124.21 = 32,238.64 : x
  2. Step 2: Convert to fraction form
    91,402.48/137,124.21 = 32,238.64/x
  3. Step 3: Cross multiply
    91,402.48x = 137,124.21 × 32,238.64
  4. Step 4: Simplify right side
    91,402.48x = 4,420,697,355.85
  5. Step 5: Solve for x
    x = 4,420,697,355.85/91,402.48
  6. Step 6: Final answer
    x = 48,365.18

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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.