Home / 51,768.85-77,653.28-30,773.65

Finding the Fourth Proportional to 51,768.85, 77,653.28 and 30,773.65

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Solution

The fourth proportional to 51,768.85, 77,653.28 and 30,773.65 is: 46,160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,768.85 : 77,653.28 = 30,773.65 : x
  2. Step 2: Convert to fraction form
    51,768.85/77,653.28 = 30,773.65/x
  3. Step 3: Cross multiply
    51,768.85x = 77,653.28 × 30,773.65
  4. Step 4: Simplify right side
    51,768.85x = 2,389,674,706.20
  5. Step 5: Solve for x
    x = 2,389,674,706.20/51,768.85
  6. Step 6: Final answer
    x = 46,160.48

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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.