Home / 71,017.97-98,001.52-40,782.02

Finding the Fourth Proportional to 71,017.97, 98,001.52 and 40,782.02

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Solution

The fourth proportional to 71,017.97, 98,001.52 and 40,782.02 is: 56,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,017.97 : 98,001.52 = 40,782.02 : x
  2. Step 2: Convert to fraction form
    71,017.97/98,001.52 = 40,782.02/x
  3. Step 3: Cross multiply
    71,017.97x = 98,001.52 × 40,782.02
  4. Step 4: Simplify right side
    71,017.97x = 3,996,699,948.67
  5. Step 5: Solve for x
    x = 3,996,699,948.67/71,017.97
  6. Step 6: Final answer
    x = 56,277.30

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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.