Home / 57,969.81-86,805.93-40,175.12

Finding the Fourth Proportional to 57,969.81, 86,805.93 and 40,175.12

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Solution

The fourth proportional to 57,969.81, 86,805.93 and 40,175.12 is: 60,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,969.81 : 86,805.93 = 40,175.12 : x
  2. Step 2: Convert to fraction form
    57,969.81/86,805.93 = 40,175.12/x
  3. Step 3: Cross multiply
    57,969.81x = 86,805.93 × 40,175.12
  4. Step 4: Simplify right side
    57,969.81x = 3,487,438,654.46
  5. Step 5: Solve for x
    x = 3,487,438,654.46/57,969.81
  6. Step 6: Final answer
    x = 60,159.57

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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.