Home / 75,237.50-112,908.10-25,989.50

Finding the Fourth Proportional to 75,237.50, 112,908.10 and 25,989.50

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Solution

The fourth proportional to 75,237.50, 112,908.10 and 25,989.50 is: 39,002.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,237.50 : 112,908.10 = 25,989.50 : x
  2. Step 2: Convert to fraction form
    75,237.50/112,908.10 = 25,989.50/x
  3. Step 3: Cross multiply
    75,237.50x = 112,908.10 × 25,989.50
  4. Step 4: Simplify right side
    75,237.50x = 2,934,425,064.95
  5. Step 5: Solve for x
    x = 2,934,425,064.95/75,237.50
  6. Step 6: Final answer
    x = 39,002.16

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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.