Home / 51,765.20-77,666.02-25,488.40

Finding the Fourth Proportional to 51,765.20, 77,666.02 and 25,488.40

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Solution

The fourth proportional to 51,765.20, 77,666.02 and 25,488.40 is: 38,241.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,765.20 : 77,666.02 = 25,488.40 : x
  2. Step 2: Convert to fraction form
    51,765.20/77,666.02 = 25,488.40/x
  3. Step 3: Cross multiply
    51,765.20x = 77,666.02 × 25,488.40
  4. Step 4: Simplify right side
    51,765.20x = 1,979,582,584.17
  5. Step 5: Solve for x
    x = 1,979,582,584.17/51,765.20
  6. Step 6: Final answer
    x = 38,241.57

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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.