Home / 118,569.72-163,630.76-67,590.48

Finding the Fourth Proportional to 118,569.72, 163,630.76 and 67,590.48

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Solution

The fourth proportional to 118,569.72, 163,630.76 and 67,590.48 is: 93,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,569.72 : 163,630.76 = 67,590.48 : x
  2. Step 2: Convert to fraction form
    118,569.72/163,630.76 = 67,590.48/x
  3. Step 3: Cross multiply
    118,569.72x = 163,630.76 × 67,590.48
  4. Step 4: Simplify right side
    118,569.72x = 11,059,881,273.21
  5. Step 5: Solve for x
    x = 11,059,881,273.21/118,569.72
  6. Step 6: Final answer
    x = 93,277.45

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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.