Home / 89,916.24-124,082.52-49,079.02

Finding the Fourth Proportional to 89,916.24, 124,082.52 and 49,079.02

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Solution

The fourth proportional to 89,916.24, 124,082.52 and 49,079.02 is: 67,728.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,916.24 : 124,082.52 = 49,079.02 : x
  2. Step 2: Convert to fraction form
    89,916.24/124,082.52 = 49,079.02/x
  3. Step 3: Cross multiply
    89,916.24x = 124,082.52 × 49,079.02
  4. Step 4: Simplify right side
    89,916.24x = 6,089,848,480.73
  5. Step 5: Solve for x
    x = 6,089,848,480.73/89,916.24
  6. Step 6: Final answer
    x = 67,728.02

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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.