Home / 80,320.14-110,838.78-44,509.23

Finding the Fourth Proportional to 80,320.14, 110,838.78 and 44,509.23

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Solution

The fourth proportional to 80,320.14, 110,838.78 and 44,509.23 is: 61,421.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,320.14 : 110,838.78 = 44,509.23 : x
  2. Step 2: Convert to fraction form
    80,320.14/110,838.78 = 44,509.23/x
  3. Step 3: Cross multiply
    80,320.14x = 110,838.78 × 44,509.23
  4. Step 4: Simplify right side
    80,320.14x = 4,933,348,751.94
  5. Step 5: Solve for x
    x = 4,933,348,751.94/80,320.14
  6. Step 6: Final answer
    x = 61,421.07

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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.