Home / 71,995.72-99,354.14-40,164.62

Finding the Fourth Proportional to 71,995.72, 99,354.14 and 40,164.62

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Solution

The fourth proportional to 71,995.72, 99,354.14 and 40,164.62 is: 55,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,995.72 : 99,354.14 = 40,164.62 : x
  2. Step 2: Convert to fraction form
    71,995.72/99,354.14 = 40,164.62/x
  3. Step 3: Cross multiply
    71,995.72x = 99,354.14 × 40,164.62
  4. Step 4: Simplify right side
    71,995.72x = 3,990,521,676.13
  5. Step 5: Solve for x
    x = 3,990,521,676.13/71,995.72
  6. Step 6: Final answer
    x = 55,427.20

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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.