Home / 89,974.45-124,164.32-49,688.03

Finding the Fourth Proportional to 89,974.45, 124,164.32 and 49,688.03

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Solution

The fourth proportional to 89,974.45, 124,164.32 and 49,688.03 is: 68,569.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,974.45 : 124,164.32 = 49,688.03 : x
  2. Step 2: Convert to fraction form
    89,974.45/124,164.32 = 49,688.03/x
  3. Step 3: Cross multiply
    89,974.45x = 124,164.32 × 49,688.03
  4. Step 4: Simplify right side
    89,974.45x = 6,169,480,658.81
  5. Step 5: Solve for x
    x = 6,169,480,658.81/89,974.45
  6. Step 6: Final answer
    x = 68,569.25

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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.