Home / 84,722.16-127,084.16-25,558.35

Finding the Fourth Proportional to 84,722.16, 127,084.16 and 25,558.35

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Solution

The fourth proportional to 84,722.16, 127,084.16 and 25,558.35 is: 38,337.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,722.16 : 127,084.16 = 25,558.35 : x
  2. Step 2: Convert to fraction form
    84,722.16/127,084.16 = 25,558.35/x
  3. Step 3: Cross multiply
    84,722.16x = 127,084.16 × 25,558.35
  4. Step 4: Simplify right side
    84,722.16x = 3,248,060,884.30
  5. Step 5: Solve for x
    x = 3,248,060,884.30/84,722.16
  6. Step 6: Final answer
    x = 38,337.79

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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.