Home / 89,990.29-124,183.23-49,703.18

Finding the Fourth Proportional to 89,990.29, 124,183.23 and 49,703.18

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Solution

The fourth proportional to 89,990.29, 124,183.23 and 49,703.18 is: 68,588.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,990.29 : 124,183.23 = 49,703.18 : x
  2. Step 2: Convert to fraction form
    89,990.29/124,183.23 = 49,703.18/x
  3. Step 3: Cross multiply
    89,990.29x = 124,183.23 × 49,703.18
  4. Step 4: Simplify right side
    89,990.29x = 6,172,301,433.67
  5. Step 5: Solve for x
    x = 6,172,301,433.67/89,990.29
  6. Step 6: Final answer
    x = 68,588.53

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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.