Home / 66,690.07-100,087.63-29,275.97

Finding the Fourth Proportional to 66,690.07, 100,087.63 and 29,275.97

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Solution

The fourth proportional to 66,690.07, 100,087.63 and 29,275.97 is: 43,937.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,690.07 : 100,087.63 = 29,275.97 : x
  2. Step 2: Convert to fraction form
    66,690.07/100,087.63 = 29,275.97/x
  3. Step 3: Cross multiply
    66,690.07x = 100,087.63 × 29,275.97
  4. Step 4: Simplify right side
    66,690.07x = 2,930,162,254.95
  5. Step 5: Solve for x
    x = 2,930,162,254.95/66,690.07
  6. Step 6: Final answer
    x = 43,937.01

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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.