Home / 89,888.15-124,040.39-49,601.81

Finding the Fourth Proportional to 89,888.15, 124,040.39 and 49,601.81

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Solution

The fourth proportional to 89,888.15, 124,040.39 and 49,601.81 is: 68,447.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,888.15 : 124,040.39 = 49,601.81 : x
  2. Step 2: Convert to fraction form
    89,888.15/124,040.39 = 49,601.81/x
  3. Step 3: Cross multiply
    89,888.15x = 124,040.39 × 49,601.81
  4. Step 4: Simplify right side
    89,888.15x = 6,152,626,988.89
  5. Step 5: Solve for x
    x = 6,152,626,988.89/89,888.15
  6. Step 6: Final answer
    x = 68,447.59

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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.