Home / 85,554.11-118,062.62-49,756.57

Finding the Fourth Proportional to 85,554.11, 118,062.62 and 49,756.57

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Solution

The fourth proportional to 85,554.11, 118,062.62 and 49,756.57 is: 68,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,554.11 : 118,062.62 = 49,756.57 : x
  2. Step 2: Convert to fraction form
    85,554.11/118,062.62 = 49,756.57/x
  3. Step 3: Cross multiply
    85,554.11x = 118,062.62 × 49,756.57
  4. Step 4: Simplify right side
    85,554.11x = 5,874,390,426.10
  5. Step 5: Solve for x
    x = 5,874,390,426.10/85,554.11
  6. Step 6: Final answer
    x = 68,662.87

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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.