Home / 65,718.30-98,577.45-49,971.90

Finding the Fourth Proportional to 65,718.30, 98,577.45 and 49,971.90

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Solution

The fourth proportional to 65,718.30, 98,577.45 and 49,971.90 is: 74,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,718.30 : 98,577.45 = 49,971.90 : x
  2. Step 2: Convert to fraction form
    65,718.30/98,577.45 = 49,971.90/x
  3. Step 3: Cross multiply
    65,718.30x = 98,577.45 × 49,971.90
  4. Step 4: Simplify right side
    65,718.30x = 4,926,102,473.66
  5. Step 5: Solve for x
    x = 4,926,102,473.66/65,718.30
  6. Step 6: Final answer
    x = 74,957.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.