Home / 70,481.04-97,265.76-40,271.28

Finding the Fourth Proportional to 70,481.04, 97,265.76 and 40,271.28

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Solution

The fourth proportional to 70,481.04, 97,265.76 and 40,271.28 is: 55,575.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,481.04 : 97,265.76 = 40,271.28 : x
  2. Step 2: Convert to fraction form
    70,481.04/97,265.76 = 40,271.28/x
  3. Step 3: Cross multiply
    70,481.04x = 97,265.76 × 40,271.28
  4. Step 4: Simplify right side
    70,481.04x = 3,917,016,366.13
  5. Step 5: Solve for x
    x = 3,917,016,366.13/70,481.04
  6. Step 6: Final answer
    x = 55,575.47

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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.