Home / 83,820.48-125,748.35-24,651.20

Finding the Fourth Proportional to 83,820.48, 125,748.35 and 24,651.20

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Solution

The fourth proportional to 83,820.48, 125,748.35 and 24,651.20 is: 36,981.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,820.48 : 125,748.35 = 24,651.20 : x
  2. Step 2: Convert to fraction form
    83,820.48/125,748.35 = 24,651.20/x
  3. Step 3: Cross multiply
    83,820.48x = 125,748.35 × 24,651.20
  4. Step 4: Simplify right side
    83,820.48x = 3,099,846,973.52
  5. Step 5: Solve for x
    x = 3,099,846,973.52/83,820.48
  6. Step 6: Final answer
    x = 36,981.98

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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.