Home / 71,964.24-99,273.48-42,878.16

Finding the Fourth Proportional to 71,964.24, 99,273.48 and 42,878.16

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Solution

The fourth proportional to 71,964.24, 99,273.48 and 42,878.16 is: 59,149.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,964.24 : 99,273.48 = 42,878.16 : x
  2. Step 2: Convert to fraction form
    71,964.24/99,273.48 = 42,878.16/x
  3. Step 3: Cross multiply
    71,964.24x = 99,273.48 × 42,878.16
  4. Step 4: Simplify right side
    71,964.24x = 4,256,664,159.20
  5. Step 5: Solve for x
    x = 4,256,664,159.20/71,964.24
  6. Step 6: Final answer
    x = 59,149.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.