Home / 69,836.90-96,377.11-39,623.50

Finding the Fourth Proportional to 69,836.90, 96,377.11 and 39,623.50

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Solution

The fourth proportional to 69,836.90, 96,377.11 and 39,623.50 is: 54,681.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,836.90 : 96,377.11 = 39,623.50 : x
  2. Step 2: Convert to fraction form
    69,836.90/96,377.11 = 39,623.50/x
  3. Step 3: Cross multiply
    69,836.90x = 96,377.11 × 39,623.50
  4. Step 4: Simplify right side
    69,836.90x = 3,818,798,078.08
  5. Step 5: Solve for x
    x = 3,818,798,078.08/69,836.90
  6. Step 6: Final answer
    x = 54,681.66

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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.