Home / 118,569.35-163,630.25-67,590.11

Finding the Fourth Proportional to 118,569.35, 163,630.25 and 67,590.11

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Solution

The fourth proportional to 118,569.35, 163,630.25 and 67,590.11 is: 93,276.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,569.35 : 163,630.25 = 67,590.11 : x
  2. Step 2: Convert to fraction form
    118,569.35/163,630.25 = 67,590.11/x
  3. Step 3: Cross multiply
    118,569.35x = 163,630.25 × 67,590.11
  4. Step 4: Simplify right side
    118,569.35x = 11,059,785,440.73
  5. Step 5: Solve for x
    x = 11,059,785,440.73/118,569.35
  6. Step 6: Final answer
    x = 93,276.94

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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.