Home / 66,025.65-99,048.20-42,755.97

Finding the Fourth Proportional to 66,025.65, 99,048.20 and 42,755.97

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Solution

The fourth proportional to 66,025.65, 99,048.20 and 42,755.97 is: 64,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,025.65 : 99,048.20 = 42,755.97 : x
  2. Step 2: Convert to fraction form
    66,025.65/99,048.20 = 42,755.97/x
  3. Step 3: Cross multiply
    66,025.65x = 99,048.20 × 42,755.97
  4. Step 4: Simplify right side
    66,025.65x = 4,234,901,653.97
  5. Step 5: Solve for x
    x = 4,234,901,653.97/66,025.65
  6. Step 6: Final answer
    x = 64,140.25

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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.