Home / 88,170.64-121,675.45-47,884.41

Finding the Fourth Proportional to 88,170.64, 121,675.45 and 47,884.41

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Solution

The fourth proportional to 88,170.64, 121,675.45 and 47,884.41 is: 66,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,170.64 : 121,675.45 = 47,884.41 : x
  2. Step 2: Convert to fraction form
    88,170.64/121,675.45 = 47,884.41/x
  3. Step 3: Cross multiply
    88,170.64x = 121,675.45 × 47,884.41
  4. Step 4: Simplify right side
    88,170.64x = 5,826,357,134.73
  5. Step 5: Solve for x
    x = 5,826,357,134.73/88,170.64
  6. Step 6: Final answer
    x = 66,080.47

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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.