Home / 84,545.10-126,864.34-47,126.24

Finding the Fourth Proportional to 84,545.10, 126,864.34 and 47,126.24

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Solution

The fourth proportional to 84,545.10, 126,864.34 and 47,126.24 is: 70,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,545.10 : 126,864.34 = 47,126.24 : x
  2. Step 2: Convert to fraction form
    84,545.10/126,864.34 = 47,126.24/x
  3. Step 3: Cross multiply
    84,545.10x = 126,864.34 × 47,126.24
  4. Step 4: Simplify right side
    84,545.10x = 5,978,639,334.28
  5. Step 5: Solve for x
    x = 5,978,639,334.28/84,545.10
  6. Step 6: Final answer
    x = 70,715.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.