Home / 91,031.20-125,632.38-50,751.52

Finding the Fourth Proportional to 91,031.20, 125,632.38 and 50,751.52

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Solution

The fourth proportional to 91,031.20, 125,632.38 and 50,751.52 is: 70,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,031.20 : 125,632.38 = 50,751.52 : x
  2. Step 2: Convert to fraction form
    91,031.20/125,632.38 = 50,751.52/x
  3. Step 3: Cross multiply
    91,031.20x = 125,632.38 × 50,751.52
  4. Step 4: Simplify right side
    91,031.20x = 6,376,034,246.22
  5. Step 5: Solve for x
    x = 6,376,034,246.22/91,031.20
  6. Step 6: Final answer
    x = 70,042.30

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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.