Home / 91,626.07-126,432.22-51,329.92

Finding the Fourth Proportional to 91,626.07, 126,432.22 and 51,329.92

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Solution

The fourth proportional to 91,626.07, 126,432.22 and 51,329.92 is: 70,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,626.07 : 126,432.22 = 51,329.92 : x
  2. Step 2: Convert to fraction form
    91,626.07/126,432.22 = 51,329.92/x
  3. Step 3: Cross multiply
    91,626.07x = 126,432.22 × 51,329.92
  4. Step 4: Simplify right side
    91,626.07x = 6,489,755,738.02
  5. Step 5: Solve for x
    x = 6,489,755,738.02/91,626.07
  6. Step 6: Final answer
    x = 70,828.70

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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.