Home / 88,005.52-121,398.60-52,161.04

Finding the Fourth Proportional to 88,005.52, 121,398.60 and 52,161.04

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Solution

The fourth proportional to 88,005.52, 121,398.60 and 52,161.04 is: 71,953.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,005.52 : 121,398.60 = 52,161.04 : x
  2. Step 2: Convert to fraction form
    88,005.52/121,398.60 = 52,161.04/x
  3. Step 3: Cross multiply
    88,005.52x = 121,398.60 × 52,161.04
  4. Step 4: Simplify right side
    88,005.52x = 6,332,277,230.54
  5. Step 5: Solve for x
    x = 6,332,277,230.54/88,005.52
  6. Step 6: Final answer
    x = 71,953.18

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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.