Home / 68,725.16-103,024.30-47,675.13

Finding the Fourth Proportional to 68,725.16, 103,024.30 and 47,675.13

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Solution

The fourth proportional to 68,725.16, 103,024.30 and 47,675.13 is: 71,468.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,725.16 : 103,024.30 = 47,675.13 : x
  2. Step 2: Convert to fraction form
    68,725.16/103,024.30 = 47,675.13/x
  3. Step 3: Cross multiply
    68,725.16x = 103,024.30 × 47,675.13
  4. Step 4: Simplify right side
    68,725.16x = 4,911,696,895.66
  5. Step 5: Solve for x
    x = 4,911,696,895.66/68,725.16
  6. Step 6: Final answer
    x = 71,468.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.