Home / 71,001.12-97,986.28-40,796.20

Finding the Fourth Proportional to 71,001.12, 97,986.28 and 40,796.20

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Solution

The fourth proportional to 71,001.12, 97,986.28 and 40,796.20 is: 56,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,001.12 : 97,986.28 = 40,796.20 : x
  2. Step 2: Convert to fraction form
    71,001.12/97,986.28 = 40,796.20/x
  3. Step 3: Cross multiply
    71,001.12x = 97,986.28 × 40,796.20
  4. Step 4: Simplify right side
    71,001.12x = 3,997,467,876.14
  5. Step 5: Solve for x
    x = 3,997,467,876.14/71,001.12
  6. Step 6: Final answer
    x = 56,301.48

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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.