Home / 51,126.16-76,700.76-15,590.62

Finding the Fourth Proportional to 51,126.16, 76,700.76 and 15,590.62

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Solution

The fourth proportional to 51,126.16, 76,700.76 and 15,590.62 is: 23,389.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,126.16 : 76,700.76 = 15,590.62 : x
  2. Step 2: Convert to fraction form
    51,126.16/76,700.76 = 15,590.62/x
  3. Step 3: Cross multiply
    51,126.16x = 76,700.76 × 15,590.62
  4. Step 4: Simplify right side
    51,126.16x = 1,195,812,402.87
  5. Step 5: Solve for x
    x = 1,195,812,402.87/51,126.16
  6. Step 6: Final answer
    x = 23,389.44

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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.