Home / 90,466.65-124,858.89-50,193.36

Finding the Fourth Proportional to 90,466.65, 124,858.89 and 50,193.36

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Solution

The fourth proportional to 90,466.65, 124,858.89 and 50,193.36 is: 69,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,466.65 : 124,858.89 = 50,193.36 : x
  2. Step 2: Convert to fraction form
    90,466.65/124,858.89 = 50,193.36/x
  3. Step 3: Cross multiply
    90,466.65x = 124,858.89 × 50,193.36
  4. Step 4: Simplify right side
    90,466.65x = 6,267,087,214.97
  5. Step 5: Solve for x
    x = 6,267,087,214.97/90,466.65
  6. Step 6: Final answer
    x = 69,275.11

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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.