Home / 66,918.08-92,340.41-40,060.00

Finding the Fourth Proportional to 66,918.08, 92,340.41 and 40,060.00

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Solution

The fourth proportional to 66,918.08, 92,340.41 and 40,060.00 is: 55,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,918.08 : 92,340.41 = 40,060.00 : x
  2. Step 2: Convert to fraction form
    66,918.08/92,340.41 = 40,060.00/x
  3. Step 3: Cross multiply
    66,918.08x = 92,340.41 × 40,060.00
  4. Step 4: Simplify right side
    66,918.08x = 3,699,156,739.73
  5. Step 5: Solve for x
    x = 3,699,156,739.73/66,918.08
  6. Step 6: Final answer
    x = 55,278.88

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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.