Home / 55,403.17-83,047.28-25,796.66

Finding the Fourth Proportional to 55,403.17, 83,047.28 and 25,796.66

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Solution

The fourth proportional to 55,403.17, 83,047.28 and 25,796.66 is: 38,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,403.17 : 83,047.28 = 25,796.66 : x
  2. Step 2: Convert to fraction form
    55,403.17/83,047.28 = 25,796.66/x
  3. Step 3: Cross multiply
    55,403.17x = 83,047.28 × 25,796.66
  4. Step 4: Simplify right side
    55,403.17x = 2,142,341,901.87
  5. Step 5: Solve for x
    x = 2,142,341,901.87/55,403.17
  6. Step 6: Final answer
    x = 38,668.22

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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.