Home / 51,699.91-77,550.26-28,313.59

Finding the Fourth Proportional to 51,699.91, 77,550.26 and 28,313.59

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Solution

The fourth proportional to 51,699.91, 77,550.26 and 28,313.59 is: 42,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,699.91 : 77,550.26 = 28,313.59 : x
  2. Step 2: Convert to fraction form
    51,699.91/77,550.26 = 28,313.59/x
  3. Step 3: Cross multiply
    51,699.91x = 77,550.26 × 28,313.59
  4. Step 4: Simplify right side
    51,699.91x = 2,195,726,266.03
  5. Step 5: Solve for x
    x = 2,195,726,266.03/51,699.91
  6. Step 6: Final answer
    x = 42,470.60

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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.