Home / 71,525.09-98,702.74-39,693.17

Finding the Fourth Proportional to 71,525.09, 98,702.74 and 39,693.17

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Solution

The fourth proportional to 71,525.09, 98,702.74 and 39,693.17 is: 54,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,525.09 : 98,702.74 = 39,693.17 : x
  2. Step 2: Convert to fraction form
    71,525.09/98,702.74 = 39,693.17/x
  3. Step 3: Cross multiply
    71,525.09x = 98,702.74 × 39,693.17
  4. Step 4: Simplify right side
    71,525.09x = 3,917,824,638.29
  5. Step 5: Solve for x
    x = 3,917,824,638.29/71,525.09
  6. Step 6: Final answer
    x = 54,775.53

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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.