Home / 54,866.70-75,715.14-30,668.24

Finding the Fourth Proportional to 54,866.70, 75,715.14 and 30,668.24

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Solution

The fourth proportional to 54,866.70, 75,715.14 and 30,668.24 is: 42,321.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,866.70 : 75,715.14 = 30,668.24 : x
  2. Step 2: Convert to fraction form
    54,866.70/75,715.14 = 30,668.24/x
  3. Step 3: Cross multiply
    54,866.70x = 75,715.14 × 30,668.24
  4. Step 4: Simplify right side
    54,866.70x = 2,322,050,085.15
  5. Step 5: Solve for x
    x = 2,322,050,085.15/54,866.70
  6. Step 6: Final answer
    x = 42,321.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.