Home / 51,000.12-76,468.86-17,705.88

Finding the Fourth Proportional to 51,000.12, 76,468.86 and 17,705.88

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Solution

The fourth proportional to 51,000.12, 76,468.86 and 17,705.88 is: 26,547.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,000.12 : 76,468.86 = 17,705.88 : x
  2. Step 2: Convert to fraction form
    51,000.12/76,468.86 = 17,705.88/x
  3. Step 3: Cross multiply
    51,000.12x = 76,468.86 × 17,705.88
  4. Step 4: Simplify right side
    51,000.12x = 1,353,948,458.90
  5. Step 5: Solve for x
    x = 1,353,948,458.90/51,000.12
  6. Step 6: Final answer
    x = 26,547.95

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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.