Home / 51,616.75-77,438.10-14,680.75

Finding the Fourth Proportional to 51,616.75, 77,438.10 and 14,680.75

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Solution

The fourth proportional to 51,616.75, 77,438.10 and 14,680.75 is: 22,024.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,616.75 : 77,438.10 = 14,680.75 : x
  2. Step 2: Convert to fraction form
    51,616.75/77,438.10 = 14,680.75/x
  3. Step 3: Cross multiply
    51,616.75x = 77,438.10 × 14,680.75
  4. Step 4: Simplify right side
    51,616.75x = 1,136,849,386.58
  5. Step 5: Solve for x
    x = 1,136,849,386.58/51,616.75
  6. Step 6: Final answer
    x = 22,024.82

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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.