Home / 79,653.36-119,553.84-40,238.16

Finding the Fourth Proportional to 79,653.36, 119,553.84 and 40,238.16

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Solution

The fourth proportional to 79,653.36, 119,553.84 and 40,238.16 is: 60,394.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,653.36 : 119,553.84 = 40,238.16 : x
  2. Step 2: Convert to fraction form
    79,653.36/119,553.84 = 40,238.16/x
  3. Step 3: Cross multiply
    79,653.36x = 119,553.84 × 40,238.16
  4. Step 4: Simplify right side
    79,653.36x = 4,810,626,542.53
  5. Step 5: Solve for x
    x = 4,810,626,542.53/79,653.36
  6. Step 6: Final answer
    x = 60,394.52

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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.