Home / 108,915.30-163,263.60-49,793.40

Finding the Fourth Proportional to 108,915.30, 163,263.60 and 49,793.40

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Solution

The fourth proportional to 108,915.30, 163,263.60 and 49,793.40 is: 74,640.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,915.30 : 163,263.60 = 49,793.40 : x
  2. Step 2: Convert to fraction form
    108,915.30/163,263.60 = 49,793.40/x
  3. Step 3: Cross multiply
    108,915.30x = 163,263.60 × 49,793.40
  4. Step 4: Simplify right side
    108,915.30x = 8,129,449,740.24
  5. Step 5: Solve for x
    x = 8,129,449,740.24/108,915.30
  6. Step 6: Final answer
    x = 74,640.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.