Home / 87,968.04-121,395.96-47,681.88

Finding the Fourth Proportional to 87,968.04, 121,395.96 and 47,681.88

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Solution

The fourth proportional to 87,968.04, 121,395.96 and 47,681.88 is: 65,801.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,968.04 : 121,395.96 = 47,681.88 : x
  2. Step 2: Convert to fraction form
    87,968.04/121,395.96 = 47,681.88/x
  3. Step 3: Cross multiply
    87,968.04x = 121,395.96 × 47,681.88
  4. Step 4: Simplify right side
    87,968.04x = 5,788,387,597.20
  5. Step 5: Solve for x
    x = 5,788,387,597.20/87,968.04
  6. Step 6: Final answer
    x = 65,801.03

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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.