Home / 84,864.20-127,302.42-25,704.45

Finding the Fourth Proportional to 84,864.20, 127,302.42 and 25,704.45

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Solution

The fourth proportional to 84,864.20, 127,302.42 and 25,704.45 is: 38,558.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,864.20 : 127,302.42 = 25,704.45 : x
  2. Step 2: Convert to fraction form
    84,864.20/127,302.42 = 25,704.45/x
  3. Step 3: Cross multiply
    84,864.20x = 127,302.42 × 25,704.45
  4. Step 4: Simplify right side
    84,864.20x = 3,272,238,689.77
  5. Step 5: Solve for x
    x = 3,272,238,689.77/84,864.20
  6. Step 6: Final answer
    x = 38,558.53

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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.