Home / 45,605.16-68,418.27-14,440.41

Finding the Fourth Proportional to 45,605.16, 68,418.27 and 14,440.41

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Solution

The fourth proportional to 45,605.16, 68,418.27 and 14,440.41 is: 21,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,605.16 : 68,418.27 = 14,440.41 : x
  2. Step 2: Convert to fraction form
    45,605.16/68,418.27 = 14,440.41/x
  3. Step 3: Cross multiply
    45,605.16x = 68,418.27 × 14,440.41
  4. Step 4: Simplify right side
    45,605.16x = 987,987,870.29
  5. Step 5: Solve for x
    x = 987,987,870.29/45,605.16
  6. Step 6: Final answer
    x = 21,663.95

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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.