Home / 51,928.80-77,944.40-25,663.20

Finding the Fourth Proportional to 51,928.80, 77,944.40 and 25,663.20

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Solution

The fourth proportional to 51,928.80, 77,944.40 and 25,663.20 is: 38,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928.80 : 77,944.40 = 25,663.20 : x
  2. Step 2: Convert to fraction form
    51,928.80/77,944.40 = 25,663.20/x
  3. Step 3: Cross multiply
    51,928.80x = 77,944.40 × 25,663.20
  4. Step 4: Simplify right side
    51,928.80x = 2,000,302,726.08
  5. Step 5: Solve for x
    x = 2,000,302,726.08/51,928.80
  6. Step 6: Final answer
    x = 38,520.10

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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.