Home / 51,966.16-77,890.92-25,689.36

Finding the Fourth Proportional to 51,966.16, 77,890.92 and 25,689.36

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Solution

The fourth proportional to 51,966.16, 77,890.92 and 25,689.36 is: 38,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,966.16 : 77,890.92 = 25,689.36 : x
  2. Step 2: Convert to fraction form
    51,966.16/77,890.92 = 25,689.36/x
  3. Step 3: Cross multiply
    51,966.16x = 77,890.92 × 25,689.36
  4. Step 4: Simplify right side
    51,966.16x = 2,000,967,495.16
  5. Step 5: Solve for x
    x = 2,000,967,495.16/51,966.16
  6. Step 6: Final answer
    x = 38,505.20

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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.