Home / 99,149.76-136,820.16-58,861.44

Finding the Fourth Proportional to 99,149.76, 136,820.16 and 58,861.44

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Solution

The fourth proportional to 99,149.76, 136,820.16 and 58,861.44 is: 81,224.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,149.76 : 136,820.16 = 58,861.44 : x
  2. Step 2: Convert to fraction form
    99,149.76/136,820.16 = 58,861.44/x
  3. Step 3: Cross multiply
    99,149.76x = 136,820.16 × 58,861.44
  4. Step 4: Simplify right side
    99,149.76x = 8,053,431,638.63
  5. Step 5: Solve for x
    x = 8,053,431,638.63/99,149.76
  6. Step 6: Final answer
    x = 81,224.92

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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.