Home / 89,917.05-124,088.54-49,083.60

Finding the Fourth Proportional to 89,917.05, 124,088.54 and 49,083.60

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Solution

The fourth proportional to 89,917.05, 124,088.54 and 49,083.60 is: 67,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,917.05 : 124,088.54 = 49,083.60 : x
  2. Step 2: Convert to fraction form
    89,917.05/124,088.54 = 49,083.60/x
  3. Step 3: Cross multiply
    89,917.05x = 124,088.54 × 49,083.60
  4. Step 4: Simplify right side
    89,917.05x = 6,090,712,016.53
  5. Step 5: Solve for x
    x = 6,090,712,016.53/89,917.05
  6. Step 6: Final answer
    x = 67,737.01

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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.