Home / 84,923.64-127,385.76-25,759.82

Finding the Fourth Proportional to 84,923.64, 127,385.76 and 25,759.82

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Solution

The fourth proportional to 84,923.64, 127,385.76 and 25,759.82 is: 38,639.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,923.64 : 127,385.76 = 25,759.82 : x
  2. Step 2: Convert to fraction form
    84,923.64/127,385.76 = 25,759.82/x
  3. Step 3: Cross multiply
    84,923.64x = 127,385.76 × 25,759.82
  4. Step 4: Simplify right side
    84,923.64x = 3,281,434,248.16
  5. Step 5: Solve for x
    x = 3,281,434,248.16/84,923.64
  6. Step 6: Final answer
    x = 38,639.82

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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.