Home / 89,973.66-124,162.92-49,690.14

Finding the Fourth Proportional to 89,973.66, 124,162.92 and 49,690.14

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Solution

The fourth proportional to 89,973.66, 124,162.92 and 49,690.14 is: 68,571.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,973.66 : 124,162.92 = 49,690.14 : x
  2. Step 2: Convert to fraction form
    89,973.66/124,162.92 = 49,690.14/x
  3. Step 3: Cross multiply
    89,973.66x = 124,162.92 × 49,690.14
  4. Step 4: Simplify right side
    89,973.66x = 6,169,672,877.61
  5. Step 5: Solve for x
    x = 6,169,672,877.61/89,973.66
  6. Step 6: Final answer
    x = 68,571.99

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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.