Home / 55,102.78-76,041.48-29,952.28

Finding the Fourth Proportional to 55,102.78, 76,041.48 and 29,952.28

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Solution

The fourth proportional to 55,102.78, 76,041.48 and 29,952.28 is: 41,333.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,102.78 : 76,041.48 = 29,952.28 : x
  2. Step 2: Convert to fraction form
    55,102.78/76,041.48 = 29,952.28/x
  3. Step 3: Cross multiply
    55,102.78x = 76,041.48 × 29,952.28
  4. Step 4: Simplify right side
    55,102.78x = 2,277,615,700.57
  5. Step 5: Solve for x
    x = 2,277,615,700.57/55,102.78
  6. Step 6: Final answer
    x = 41,333.95

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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.