Home / 88,170.80-121,675.67-47,884.57

Finding the Fourth Proportional to 88,170.80, 121,675.67 and 47,884.57

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Solution

The fourth proportional to 88,170.80, 121,675.67 and 47,884.57 is: 66,080.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,170.80 : 121,675.67 = 47,884.57 : x
  2. Step 2: Convert to fraction form
    88,170.80/121,675.67 = 47,884.57/x
  3. Step 3: Cross multiply
    88,170.80x = 121,675.67 × 47,884.57
  4. Step 4: Simplify right side
    88,170.80x = 5,826,386,773.37
  5. Step 5: Solve for x
    x = 5,826,386,773.37/88,170.80
  6. Step 6: Final answer
    x = 66,080.69

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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.