Home / 89,917.28-124,088.86-49,083.83

Finding the Fourth Proportional to 89,917.28, 124,088.86 and 49,083.83

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Solution

The fourth proportional to 89,917.28, 124,088.86 and 49,083.83 is: 67,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,917.28 : 124,088.86 = 49,083.83 : x
  2. Step 2: Convert to fraction form
    89,917.28/124,088.86 = 49,083.83/x
  3. Step 3: Cross multiply
    89,917.28x = 124,088.86 × 49,083.83
  4. Step 4: Simplify right side
    89,917.28x = 6,090,756,975.33
  5. Step 5: Solve for x
    x = 6,090,756,975.33/89,917.28
  6. Step 6: Final answer
    x = 67,737.33

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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.