Home / 67,475.72-93,108.84-39,175.76

Finding the Fourth Proportional to 67,475.72, 93,108.84 and 39,175.76

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Solution

The fourth proportional to 67,475.72, 93,108.84 and 39,175.76 is: 54,058.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,475.72 : 93,108.84 = 39,175.76 : x
  2. Step 2: Convert to fraction form
    67,475.72/93,108.84 = 39,175.76/x
  3. Step 3: Cross multiply
    67,475.72x = 93,108.84 × 39,175.76
  4. Step 4: Simplify right side
    67,475.72x = 3,647,609,569.72
  5. Step 5: Solve for x
    x = 3,647,609,569.72/67,475.72
  6. Step 6: Final answer
    x = 54,058.11

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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.