Home / 66,661.38-99,903.21-32,875.74

Finding the Fourth Proportional to 66,661.38, 99,903.21 and 32,875.74

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Solution

The fourth proportional to 66,661.38, 99,903.21 and 32,875.74 is: 49,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,661.38 : 99,903.21 = 32,875.74 : x
  2. Step 2: Convert to fraction form
    66,661.38/99,903.21 = 32,875.74/x
  3. Step 3: Cross multiply
    66,661.38x = 99,903.21 × 32,875.74
  4. Step 4: Simplify right side
    66,661.38x = 3,284,391,957.13
  5. Step 5: Solve for x
    x = 3,284,391,957.13/66,661.38
  6. Step 6: Final answer
    x = 49,269.79

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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.