Home / 71,029.28-98,057.27-51,887.57

Finding the Fourth Proportional to 71,029.28, 98,057.27 and 51,887.57

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Solution

The fourth proportional to 71,029.28, 98,057.27 and 51,887.57 is: 71,631.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,029.28 : 98,057.27 = 51,887.57 : x
  2. Step 2: Convert to fraction form
    71,029.28/98,057.27 = 51,887.57/x
  3. Step 3: Cross multiply
    71,029.28x = 98,057.27 × 51,887.57
  4. Step 4: Simplify right side
    71,029.28x = 5,087,952,711.41
  5. Step 5: Solve for x
    x = 5,087,952,711.41/71,029.28
  6. Step 6: Final answer
    x = 71,631.77

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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.