Home / 88,111.52-121,542.96-56,244.48

Finding the Fourth Proportional to 88,111.52, 121,542.96 and 56,244.48

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Solution

The fourth proportional to 88,111.52, 121,542.96 and 56,244.48 is: 77,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,111.52 : 121,542.96 = 56,244.48 : x
  2. Step 2: Convert to fraction form
    88,111.52/121,542.96 = 56,244.48/x
  3. Step 3: Cross multiply
    88,111.52x = 121,542.96 × 56,244.48
  4. Step 4: Simplify right side
    88,111.52x = 6,836,120,582.86
  5. Step 5: Solve for x
    x = 6,836,120,582.86/88,111.52
  6. Step 6: Final answer
    x = 77,584.87

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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.