Home / 51,401.10-77,101.65-39,737.10

Finding the Fourth Proportional to 51,401.10, 77,101.65 and 39,737.10

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Solution

The fourth proportional to 51,401.10, 77,101.65 and 39,737.10 is: 59,605.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,401.10 : 77,101.65 = 39,737.10 : x
  2. Step 2: Convert to fraction form
    51,401.10/77,101.65 = 39,737.10/x
  3. Step 3: Cross multiply
    51,401.10x = 77,101.65 × 39,737.10
  4. Step 4: Simplify right side
    51,401.10x = 3,063,795,976.22
  5. Step 5: Solve for x
    x = 3,063,795,976.22/51,401.10
  6. Step 6: Final answer
    x = 59,605.65

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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.