Home / 71,329.66-98,436.04-39,063.69

Finding the Fourth Proportional to 71,329.66, 98,436.04 and 39,063.69

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Solution

The fourth proportional to 71,329.66, 98,436.04 and 39,063.69 is: 53,908.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,329.66 : 98,436.04 = 39,063.69 : x
  2. Step 2: Convert to fraction form
    71,329.66/98,436.04 = 39,063.69/x
  3. Step 3: Cross multiply
    71,329.66x = 98,436.04 × 39,063.69
  4. Step 4: Simplify right side
    71,329.66x = 3,845,274,853.73
  5. Step 5: Solve for x
    x = 3,845,274,853.73/71,329.66
  6. Step 6: Final answer
    x = 53,908.50

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1.5x scale

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.