Home / 85,256.66-117,655.26-49,448.18

Finding the Fourth Proportional to 85,256.66, 117,655.26 and 49,448.18

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Solution

The fourth proportional to 85,256.66, 117,655.26 and 49,448.18 is: 68,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,256.66 : 117,655.26 = 49,448.18 : x
  2. Step 2: Convert to fraction form
    85,256.66/117,655.26 = 49,448.18/x
  3. Step 3: Cross multiply
    85,256.66x = 117,655.26 × 49,448.18
  4. Step 4: Simplify right side
    85,256.66x = 5,817,838,474.43
  5. Step 5: Solve for x
    x = 5,817,838,474.43/85,256.66
  6. Step 6: Final answer
    x = 68,239.11

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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.