Home / 71,546.63-98,729.40-39,713.02

Finding the Fourth Proportional to 71,546.63, 98,729.40 and 39,713.02

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Solution

The fourth proportional to 71,546.63, 98,729.40 and 39,713.02 is: 54,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,546.63 : 98,729.40 = 39,713.02 : x
  2. Step 2: Convert to fraction form
    71,546.63/98,729.40 = 39,713.02/x
  3. Step 3: Cross multiply
    71,546.63x = 98,729.40 × 39,713.02
  4. Step 4: Simplify right side
    71,546.63x = 3,920,842,389.96
  5. Step 5: Solve for x
    x = 3,920,842,389.96/71,546.63
  6. Step 6: Final answer
    x = 54,801.22

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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.