Home / 88,055.64-121,517.28-47,769.48

Finding the Fourth Proportional to 88,055.64, 121,517.28 and 47,769.48

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Solution

The fourth proportional to 88,055.64, 121,517.28 and 47,769.48 is: 65,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,055.64 : 121,517.28 = 47,769.48 : x
  2. Step 2: Convert to fraction form
    88,055.64/121,517.28 = 47,769.48/x
  3. Step 3: Cross multiply
    88,055.64x = 121,517.28 × 47,769.48
  4. Step 4: Simplify right side
    88,055.64x = 5,804,817,276.61
  5. Step 5: Solve for x
    x = 5,804,817,276.61/88,055.64
  6. Step 6: Final answer
    x = 65,922.15

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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.