Home / 71,252.40-98,329.84-39,423.52

Finding the Fourth Proportional to 71,252.40, 98,329.84 and 39,423.52

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Solution

The fourth proportional to 71,252.40, 98,329.84 and 39,423.52 is: 54,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,252.40 : 98,329.84 = 39,423.52 : x
  2. Step 2: Convert to fraction form
    71,252.40/98,329.84 = 39,423.52/x
  3. Step 3: Cross multiply
    71,252.40x = 98,329.84 × 39,423.52
  4. Step 4: Simplify right side
    71,252.40x = 3,876,508,413.84
  5. Step 5: Solve for x
    x = 3,876,508,413.84/71,252.40
  6. Step 6: Final answer
    x = 54,405.30

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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.