Home / 91,923.52-126,868.19-56,134.28

Finding the Fourth Proportional to 91,923.52, 126,868.19 and 56,134.28

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Solution

The fourth proportional to 91,923.52, 126,868.19 and 56,134.28 is: 77,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,923.52 : 126,868.19 = 56,134.28 : x
  2. Step 2: Convert to fraction form
    91,923.52/126,868.19 = 56,134.28/x
  3. Step 3: Cross multiply
    91,923.52x = 126,868.19 × 56,134.28
  4. Step 4: Simplify right side
    91,923.52x = 7,121,654,500.55
  5. Step 5: Solve for x
    x = 7,121,654,500.55/91,923.52
  6. Step 6: Final answer
    x = 77,473.69

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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.