Home / 70,272.48-105,292.08-57,131.04

Finding the Fourth Proportional to 70,272.48, 105,292.08 and 57,131.04

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Solution

The fourth proportional to 70,272.48, 105,292.08 and 57,131.04 is: 85,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,272.48 : 105,292.08 = 57,131.04 : x
  2. Step 2: Convert to fraction form
    70,272.48/105,292.08 = 57,131.04/x
  3. Step 3: Cross multiply
    70,272.48x = 105,292.08 × 57,131.04
  4. Step 4: Simplify right side
    70,272.48x = 6,015,446,034.16
  5. Step 5: Solve for x
    x = 6,015,446,034.16/70,272.48
  6. Step 6: Final answer
    x = 85,601.73

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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.