Home / 71,237.00-98,306.66-39,405.22

Finding the Fourth Proportional to 71,237.00, 98,306.66 and 39,405.22

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Solution

The fourth proportional to 71,237.00, 98,306.66 and 39,405.22 is: 54,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,237.00 : 98,306.66 = 39,405.22 : x
  2. Step 2: Convert to fraction form
    71,237.00/98,306.66 = 39,405.22/x
  3. Step 3: Cross multiply
    71,237.00x = 98,306.66 × 39,405.22
  4. Step 4: Simplify right side
    71,237.00x = 3,873,795,417.51
  5. Step 5: Solve for x
    x = 3,873,795,417.51/71,237.00
  6. Step 6: Final answer
    x = 54,378.98

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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.