Home / 89,888.13-124,040.37-49,601.79

Finding the Fourth Proportional to 89,888.13, 124,040.37 and 49,601.79

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Solution

The fourth proportional to 89,888.13, 124,040.37 and 49,601.79 is: 68,447.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,888.13 : 124,040.37 = 49,601.79 : x
  2. Step 2: Convert to fraction form
    89,888.13/124,040.37 = 49,601.79/x
  3. Step 3: Cross multiply
    89,888.13x = 124,040.37 × 49,601.79
  4. Step 4: Simplify right side
    89,888.13x = 6,152,624,384.26
  5. Step 5: Solve for x
    x = 6,152,624,384.26/89,888.13
  6. Step 6: Final answer
    x = 68,447.57

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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.