Home / 71,829.32-99,126.06-40,001.18

Finding the Fourth Proportional to 71,829.32, 99,126.06 and 40,001.18

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Solution

The fourth proportional to 71,829.32, 99,126.06 and 40,001.18 is: 55,202.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,829.32 : 99,126.06 = 40,001.18 : x
  2. Step 2: Convert to fraction form
    71,829.32/99,126.06 = 40,001.18/x
  3. Step 3: Cross multiply
    71,829.32x = 99,126.06 × 40,001.18
  4. Step 4: Simplify right side
    71,829.32x = 3,965,159,368.75
  5. Step 5: Solve for x
    x = 3,965,159,368.75/71,829.32
  6. Step 6: Final answer
    x = 55,202.52

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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.