Home / 90,872.49-125,407.71-50,583.69

Finding the Fourth Proportional to 90,872.49, 125,407.71 and 50,583.69

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Solution

The fourth proportional to 90,872.49, 125,407.71 and 50,583.69 is: 69,807.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,872.49 : 125,407.71 = 50,583.69 : x
  2. Step 2: Convert to fraction form
    90,872.49/125,407.71 = 50,583.69/x
  3. Step 3: Cross multiply
    90,872.49x = 125,407.71 × 50,583.69
  4. Step 4: Simplify right side
    90,872.49x = 6,343,584,726.25
  5. Step 5: Solve for x
    x = 6,343,584,726.25/90,872.49
  6. Step 6: Final answer
    x = 69,807.54

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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.