Home / 99,092.68-136,728.75-58,842.16

Finding the Fourth Proportional to 99,092.68, 136,728.75 and 58,842.16

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Solution

The fourth proportional to 99,092.68, 136,728.75 and 58,842.16 is: 81,190.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,092.68 : 136,728.75 = 58,842.16 : x
  2. Step 2: Convert to fraction form
    99,092.68/136,728.75 = 58,842.16/x
  3. Step 3: Cross multiply
    99,092.68x = 136,728.75 × 58,842.16
  4. Step 4: Simplify right side
    99,092.68x = 8,045,414,984.10
  5. Step 5: Solve for x
    x = 8,045,414,984.10/99,092.68
  6. Step 6: Final answer
    x = 81,190.81

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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.