Home / 98,861.04-136,427.76-54,149.04

Finding the Fourth Proportional to 98,861.04, 136,427.76 and 54,149.04

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Solution

The fourth proportional to 98,861.04, 136,427.76 and 54,149.04 is: 74,725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,861.04 : 136,427.76 = 54,149.04 : x
  2. Step 2: Convert to fraction form
    98,861.04/136,427.76 = 54,149.04/x
  3. Step 3: Cross multiply
    98,861.04x = 136,427.76 × 54,149.04
  4. Step 4: Simplify right side
    98,861.04x = 7,387,432,233.35
  5. Step 5: Solve for x
    x = 7,387,432,233.35/98,861.04
  6. Step 6: Final answer
    x = 74,725.41

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1.5x scale

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.