Home / 84,724.48-127,087.64-25,560.66

Finding the Fourth Proportional to 84,724.48, 127,087.64 and 25,560.66

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Solution

The fourth proportional to 84,724.48, 127,087.64 and 25,560.66 is: 38,341.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,724.48 : 127,087.64 = 25,560.66 : x
  2. Step 2: Convert to fraction form
    84,724.48/127,087.64 = 25,560.66/x
  3. Step 3: Cross multiply
    84,724.48x = 127,087.64 × 25,560.66
  4. Step 4: Simplify right side
    84,724.48x = 3,248,443,956.24
  5. Step 5: Solve for x
    x = 3,248,443,956.24/84,724.48
  6. Step 6: Final answer
    x = 38,341.27

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1.5x scale

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.