Home / 66,285.24-91,475.55-36,072.51

Finding the Fourth Proportional to 66,285.24, 91,475.55 and 36,072.51

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Solution

The fourth proportional to 66,285.24, 91,475.55 and 36,072.51 is: 49,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,285.24 : 91,475.55 = 36,072.51 : x
  2. Step 2: Convert to fraction form
    66,285.24/91,475.55 = 36,072.51/x
  3. Step 3: Cross multiply
    66,285.24x = 91,475.55 × 36,072.51
  4. Step 4: Simplify right side
    66,285.24x = 3,299,752,707.83
  5. Step 5: Solve for x
    x = 3,299,752,707.83/66,285.24
  6. Step 6: Final answer
    x = 49,781.11

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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.