Home / 69,701.91-96,193.38-39,487.47

Finding the Fourth Proportional to 69,701.91, 96,193.38 and 39,487.47

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Solution

The fourth proportional to 69,701.91, 96,193.38 and 39,487.47 is: 54,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,701.91 : 96,193.38 = 39,487.47 : x
  2. Step 2: Convert to fraction form
    69,701.91/96,193.38 = 39,487.47/x
  3. Step 3: Cross multiply
    69,701.91x = 96,193.38 × 39,487.47
  4. Step 4: Simplify right side
    69,701.91x = 3,798,433,206.95
  5. Step 5: Solve for x
    x = 3,798,433,206.95/69,701.91
  6. Step 6: Final answer
    x = 54,495.40

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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.