Home / 88,165.26-121,675.57-49,931.49

Finding the Fourth Proportional to 88,165.26, 121,675.57 and 49,931.49

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Solution

The fourth proportional to 88,165.26, 121,675.57 and 49,931.49 is: 68,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,165.26 : 121,675.57 = 49,931.49 : x
  2. Step 2: Convert to fraction form
    88,165.26/121,675.57 = 49,931.49/x
  3. Step 3: Cross multiply
    88,165.26x = 121,675.57 × 49,931.49
  4. Step 4: Simplify right side
    88,165.26x = 6,075,442,153.73
  5. Step 5: Solve for x
    x = 6,075,442,153.73/88,165.26
  6. Step 6: Final answer
    x = 68,909.71

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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.