Home / 84,724.16-127,087.16-25,560.34

Finding the Fourth Proportional to 84,724.16, 127,087.16 and 25,560.34

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Solution

The fourth proportional to 84,724.16, 127,087.16 and 25,560.34 is: 38,340.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,724.16 : 127,087.16 = 25,560.34 : x
  2. Step 2: Convert to fraction form
    84,724.16/127,087.16 = 25,560.34/x
  3. Step 3: Cross multiply
    84,724.16x = 127,087.16 × 25,560.34
  4. Step 4: Simplify right side
    84,724.16x = 3,248,391,019.23
  5. Step 5: Solve for x
    x = 3,248,391,019.23/84,724.16
  6. Step 6: Final answer
    x = 38,340.79

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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.