Home / 99,741.24-137,660.72-59,457.65

Finding the Fourth Proportional to 99,741.24, 137,660.72 and 59,457.65

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Solution

The fourth proportional to 99,741.24, 137,660.72 and 59,457.65 is: 82,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,741.24 : 137,660.72 = 59,457.65 : x
  2. Step 2: Convert to fraction form
    99,741.24/137,660.72 = 59,457.65/x
  3. Step 3: Cross multiply
    99,741.24x = 137,660.72 × 59,457.65
  4. Step 4: Simplify right side
    99,741.24x = 8,184,981,922.92
  5. Step 5: Solve for x
    x = 8,184,981,922.92/99,741.24
  6. Step 6: Final answer
    x = 82,062.16

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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.