Home / 88,209.57-121,702.39-49,963.04

Finding the Fourth Proportional to 88,209.57, 121,702.39 and 49,963.04

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Solution

The fourth proportional to 88,209.57, 121,702.39 and 49,963.04 is: 68,933.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,209.57 : 121,702.39 = 49,963.04 : x
  2. Step 2: Convert to fraction form
    88,209.57/121,702.39 = 49,963.04/x
  3. Step 3: Cross multiply
    88,209.57x = 121,702.39 × 49,963.04
  4. Step 4: Simplify right side
    88,209.57x = 6,080,621,379.67
  5. Step 5: Solve for x
    x = 6,080,621,379.67/88,209.57
  6. Step 6: Final answer
    x = 68,933.81

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1.5x scale

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.