Home / 66,443.19-99,701.23-26,989.71

Finding the Fourth Proportional to 66,443.19, 99,701.23 and 26,989.71

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Solution

The fourth proportional to 66,443.19, 99,701.23 and 26,989.71 is: 40,499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,443.19 : 99,701.23 = 26,989.71 : x
  2. Step 2: Convert to fraction form
    66,443.19/99,701.23 = 26,989.71/x
  3. Step 3: Cross multiply
    66,443.19x = 99,701.23 × 26,989.71
  4. Step 4: Simplify right side
    66,443.19x = 2,690,906,785.84
  5. Step 5: Solve for x
    x = 2,690,906,785.84/66,443.19
  6. Step 6: Final answer
    x = 40,499.36

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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.