Home / 66,424.05-99,566.85-28,974.07

Finding the Fourth Proportional to 66,424.05, 99,566.85 and 28,974.07

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Solution

The fourth proportional to 66,424.05, 99,566.85 and 28,974.07 is: 43,430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,424.05 : 99,566.85 = 28,974.07 : x
  2. Step 2: Convert to fraction form
    66,424.05/99,566.85 = 28,974.07/x
  3. Step 3: Cross multiply
    66,424.05x = 99,566.85 × 28,974.07
  4. Step 4: Simplify right side
    66,424.05x = 2,884,857,114.69
  5. Step 5: Solve for x
    x = 2,884,857,114.69/66,424.05
  6. Step 6: Final answer
    x = 43,430.91

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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.