Home / 91,532.14-126,313.74-51,245.74

Finding the Fourth Proportional to 91,532.14, 126,313.74 and 51,245.74

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Solution

The fourth proportional to 91,532.14, 126,313.74 and 51,245.74 is: 70,718.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,532.14 : 126,313.74 = 51,245.74 : x
  2. Step 2: Convert to fraction form
    91,532.14/126,313.74 = 51,245.74/x
  3. Step 3: Cross multiply
    91,532.14x = 126,313.74 × 51,245.74
  4. Step 4: Simplify right side
    91,532.14x = 6,473,041,078.47
  5. Step 5: Solve for x
    x = 6,473,041,078.47/91,532.14
  6. Step 6: Final answer
    x = 70,718.78

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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.