Home / 90,601.48-125,034.22-50,315.42

Finding the Fourth Proportional to 90,601.48, 125,034.22 and 50,315.42

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Solution

The fourth proportional to 90,601.48, 125,034.22 and 50,315.42 is: 69,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,601.48 : 125,034.22 = 50,315.42 : x
  2. Step 2: Convert to fraction form
    90,601.48/125,034.22 = 50,315.42/x
  3. Step 3: Cross multiply
    90,601.48x = 125,034.22 × 50,315.42
  4. Step 4: Simplify right side
    90,601.48x = 6,291,149,293.67
  5. Step 5: Solve for x
    x = 6,291,149,293.67/90,601.48
  6. Step 6: Final answer
    x = 69,437.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.