Home / 66,314.05-99,470.16-28,873.32

Finding the Fourth Proportional to 66,314.05, 99,470.16 and 28,873.32

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Solution

The fourth proportional to 66,314.05, 99,470.16 and 28,873.32 is: 43,309.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,314.05 : 99,470.16 = 28,873.32 : x
  2. Step 2: Convert to fraction form
    66,314.05/99,470.16 = 28,873.32/x
  3. Step 3: Cross multiply
    66,314.05x = 99,470.16 × 28,873.32
  4. Step 4: Simplify right side
    66,314.05x = 2,872,033,387.12
  5. Step 5: Solve for x
    x = 2,872,033,387.12/66,314.05
  6. Step 6: Final answer
    x = 43,309.58

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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.