Home / 99,031.20-148,569.88-32,467.20

Finding the Fourth Proportional to 99,031.20, 148,569.88 and 32,467.20

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Solution

The fourth proportional to 99,031.20, 148,569.88 and 32,467.20 is: 48,708.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,031.20 : 148,569.88 = 32,467.20 : x
  2. Step 2: Convert to fraction form
    99,031.20/148,569.88 = 32,467.20/x
  3. Step 3: Cross multiply
    99,031.20x = 148,569.88 × 32,467.20
  4. Step 4: Simplify right side
    99,031.20x = 4,823,648,007.94
  5. Step 5: Solve for x
    x = 4,823,648,007.94/99,031.20
  6. Step 6: Final answer
    x = 48,708.37

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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.