Home / 88,105.28-121,582.19-47,818.23

Finding the Fourth Proportional to 88,105.28, 121,582.19 and 47,818.23

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Solution

The fourth proportional to 88,105.28, 121,582.19 and 47,818.23 is: 65,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,105.28 : 121,582.19 = 47,818.23 : x
  2. Step 2: Convert to fraction form
    88,105.28/121,582.19 = 47,818.23/x
  3. Step 3: Cross multiply
    88,105.28x = 121,582.19 × 47,818.23
  4. Step 4: Simplify right side
    88,105.28x = 5,813,845,244.87
  5. Step 5: Solve for x
    x = 5,813,845,244.87/88,105.28
  6. Step 6: Final answer
    x = 65,987.48

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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.