Home / 88,785.15-122,520.40-52,956.62

Finding the Fourth Proportional to 88,785.15, 122,520.40 and 52,956.62

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Solution

The fourth proportional to 88,785.15, 122,520.40 and 52,956.62 is: 73,078.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,785.15 : 122,520.40 = 52,956.62 : x
  2. Step 2: Convert to fraction form
    88,785.15/122,520.40 = 52,956.62/x
  3. Step 3: Cross multiply
    88,785.15x = 122,520.40 × 52,956.62
  4. Step 4: Simplify right side
    88,785.15x = 6,488,265,979.51
  5. Step 5: Solve for x
    x = 6,488,265,979.51/88,785.15
  6. Step 6: Final answer
    x = 73,078.28

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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.