Home / 71,863.35-99,171.45-41,666.28

Finding the Fourth Proportional to 71,863.35, 99,171.45 and 41,666.28

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Solution

The fourth proportional to 71,863.35, 99,171.45 and 41,666.28 is: 57,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,863.35 : 99,171.45 = 41,666.28 : x
  2. Step 2: Convert to fraction form
    71,863.35/99,171.45 = 41,666.28/x
  3. Step 3: Cross multiply
    71,863.35x = 99,171.45 × 41,666.28
  4. Step 4: Simplify right side
    71,863.35x = 4,132,105,403.71
  5. Step 5: Solve for x
    x = 4,132,105,403.71/71,863.35
  6. Step 6: Final answer
    x = 57,499.48

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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.