Home / 75,924.18-113,909.85-28,543.50

Finding the Fourth Proportional to 75,924.18, 113,909.85 and 28,543.50

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Solution

The fourth proportional to 75,924.18, 113,909.85 and 28,543.50 is: 42,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,924.18 : 113,909.85 = 28,543.50 : x
  2. Step 2: Convert to fraction form
    75,924.18/113,909.85 = 28,543.50/x
  3. Step 3: Cross multiply
    75,924.18x = 113,909.85 × 28,543.50
  4. Step 4: Simplify right side
    75,924.18x = 3,251,385,803.48
  5. Step 5: Solve for x
    x = 3,251,385,803.48/75,924.18
  6. Step 6: Final answer
    x = 42,824.11

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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.