Home / 61,144.15-91,716.28-49,242.11

Finding the Fourth Proportional to 61,144.15, 91,716.28 and 49,242.11

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Solution

The fourth proportional to 61,144.15, 91,716.28 and 49,242.11 is: 73,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,144.15 : 91,716.28 = 49,242.11 : x
  2. Step 2: Convert to fraction form
    61,144.15/91,716.28 = 49,242.11/x
  3. Step 3: Cross multiply
    61,144.15x = 91,716.28 × 49,242.11
  4. Step 4: Simplify right side
    61,144.15x = 4,516,303,148.55
  5. Step 5: Solve for x
    x = 4,516,303,148.55/61,144.15
  6. Step 6: Final answer
    x = 73,863.21

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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.