Home / 76,587.20-114,880.84-24,000.78

Finding the Fourth Proportional to 76,587.20, 114,880.84 and 24,000.78

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Solution

The fourth proportional to 76,587.20, 114,880.84 and 24,000.78 is: 36,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,587.20 : 114,880.84 = 24,000.78 : x
  2. Step 2: Convert to fraction form
    76,587.20/114,880.84 = 24,000.78/x
  3. Step 3: Cross multiply
    76,587.20x = 114,880.84 × 24,000.78
  4. Step 4: Simplify right side
    76,587.20x = 2,757,229,767.06
  5. Step 5: Solve for x
    x = 2,757,229,767.06/76,587.20
  6. Step 6: Final answer
    x = 36,001.18

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1.5x scale

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.