Home / 91,812.32-126,700.50-51,526.04

Finding the Fourth Proportional to 91,812.32, 126,700.50 and 51,526.04

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Solution

The fourth proportional to 91,812.32, 126,700.50 and 51,526.04 is: 71,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,812.32 : 126,700.50 = 51,526.04 : x
  2. Step 2: Convert to fraction form
    91,812.32/126,700.50 = 51,526.04/x
  3. Step 3: Cross multiply
    91,812.32x = 126,700.50 × 51,526.04
  4. Step 4: Simplify right side
    91,812.32x = 6,528,375,031.02
  5. Step 5: Solve for x
    x = 6,528,375,031.02/91,812.32
  6. Step 6: Final answer
    x = 71,105.65

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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.