Home / 118,502.08-163,536.82-64,785.92

Finding the Fourth Proportional to 118,502.08, 163,536.82 and 64,785.92

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Solution

The fourth proportional to 118,502.08, 163,536.82 and 64,785.92 is: 89,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,502.08 : 163,536.82 = 64,785.92 : x
  2. Step 2: Convert to fraction form
    118,502.08/163,536.82 = 64,785.92/x
  3. Step 3: Cross multiply
    118,502.08x = 163,536.82 × 64,785.92
  4. Step 4: Simplify right side
    118,502.08x = 10,594,883,337.57
  5. Step 5: Solve for x
    x = 10,594,883,337.57/118,502.08
  6. Step 6: Final answer
    x = 89,406.73

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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.