Home / 45,217.98-67,805.10-15,625.44

Finding the Fourth Proportional to 45,217.98, 67,805.10 and 15,625.44

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Solution

The fourth proportional to 45,217.98, 67,805.10 and 15,625.44 is: 23,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,217.98 : 67,805.10 = 15,625.44 : x
  2. Step 2: Convert to fraction form
    45,217.98/67,805.10 = 15,625.44/x
  3. Step 3: Cross multiply
    45,217.98x = 67,805.10 × 15,625.44
  4. Step 4: Simplify right side
    45,217.98x = 1,059,484,521.74
  5. Step 5: Solve for x
    x = 1,059,484,521.74/45,217.98
  6. Step 6: Final answer
    x = 23,430.60

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1.5x scale

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.