Home / 71,537.09-98,719.29-39,705.17

Finding the Fourth Proportional to 71,537.09, 98,719.29 and 39,705.17

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Solution

The fourth proportional to 71,537.09, 98,719.29 and 39,705.17 is: 54,792.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,537.09 : 98,719.29 = 39,705.17 : x
  2. Step 2: Convert to fraction form
    71,537.09/98,719.29 = 39,705.17/x
  3. Step 3: Cross multiply
    71,537.09x = 98,719.29 × 39,705.17
  4. Step 4: Simplify right side
    71,537.09x = 3,919,666,191.73
  5. Step 5: Solve for x
    x = 3,919,666,191.73/71,537.09
  6. Step 6: Final answer
    x = 54,792.08

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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.