Home / 91,534.08-126,317.34-51,247.92

Finding the Fourth Proportional to 91,534.08, 126,317.34 and 51,247.92

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Solution

The fourth proportional to 91,534.08, 126,317.34 and 51,247.92 is: 70,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,534.08 : 126,317.34 = 51,247.92 : x
  2. Step 2: Convert to fraction form
    91,534.08/126,317.34 = 51,247.92/x
  3. Step 3: Cross multiply
    91,534.08x = 126,317.34 × 51,247.92
  4. Step 4: Simplify right side
    91,534.08x = 6,473,500,934.93
  5. Step 5: Solve for x
    x = 6,473,500,934.93/91,534.08
  6. Step 6: Final answer
    x = 70,722.30

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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.