Home / 56,204.40-77,499.14-38,309.88

Finding the Fourth Proportional to 56,204.40, 77,499.14 and 38,309.88

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Solution

The fourth proportional to 56,204.40, 77,499.14 and 38,309.88 is: 52,824.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,204.40 : 77,499.14 = 38,309.88 : x
  2. Step 2: Convert to fraction form
    56,204.40/77,499.14 = 38,309.88/x
  3. Step 3: Cross multiply
    56,204.40x = 77,499.14 × 38,309.88
  4. Step 4: Simplify right side
    56,204.40x = 2,968,982,561.95
  5. Step 5: Solve for x
    x = 2,968,982,561.95/56,204.40
  6. Step 6: Final answer
    x = 52,824.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.