Home / 112,662.14-155,472.42-61,674.26

Finding the Fourth Proportional to 112,662.14, 155,472.42 and 61,674.26

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Solution

The fourth proportional to 112,662.14, 155,472.42 and 61,674.26 is: 85,109.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,662.14 : 155,472.42 = 61,674.26 : x
  2. Step 2: Convert to fraction form
    112,662.14/155,472.42 = 61,674.26/x
  3. Step 3: Cross multiply
    112,662.14x = 155,472.42 × 61,674.26
  4. Step 4: Simplify right side
    112,662.14x = 9,588,646,453.91
  5. Step 5: Solve for x
    x = 9,588,646,453.91/112,662.14
  6. Step 6: Final answer
    x = 85,109.75

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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.