Home / 70,292.16-105,404.22-25,939.80

Finding the Fourth Proportional to 70,292.16, 105,404.22 and 25,939.80

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Solution

The fourth proportional to 70,292.16, 105,404.22 and 25,939.80 is: 38,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,292.16 : 105,404.22 = 25,939.80 : x
  2. Step 2: Convert to fraction form
    70,292.16/105,404.22 = 25,939.80/x
  3. Step 3: Cross multiply
    70,292.16x = 105,404.22 × 25,939.80
  4. Step 4: Simplify right side
    70,292.16x = 2,734,164,385.96
  5. Step 5: Solve for x
    x = 2,734,164,385.96/70,292.16
  6. Step 6: Final answer
    x = 38,897.15

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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.