Home / 118,625.64-163,696.18-67,631.24

Finding the Fourth Proportional to 118,625.64, 163,696.18 and 67,631.24

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Solution

The fourth proportional to 118,625.64, 163,696.18 and 67,631.24 is: 93,327.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,625.64 : 163,696.18 = 67,631.24 : x
  2. Step 2: Convert to fraction form
    118,625.64/163,696.18 = 67,631.24/x
  3. Step 3: Cross multiply
    118,625.64x = 163,696.18 × 67,631.24
  4. Step 4: Simplify right side
    118,625.64x = 11,070,975,636.66
  5. Step 5: Solve for x
    x = 11,070,975,636.66/118,625.64
  6. Step 6: Final answer
    x = 93,327.00

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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.