Home / 80,678.24-111,338.71-44,381.23

Finding the Fourth Proportional to 80,678.24, 111,338.71 and 44,381.23

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Solution

The fourth proportional to 80,678.24, 111,338.71 and 44,381.23 is: 61,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,678.24 : 111,338.71 = 44,381.23 : x
  2. Step 2: Convert to fraction form
    80,678.24/111,338.71 = 44,381.23/x
  3. Step 3: Cross multiply
    80,678.24x = 111,338.71 × 44,381.23
  4. Step 4: Simplify right side
    80,678.24x = 4,941,348,507.11
  5. Step 5: Solve for x
    x = 4,941,348,507.11/80,678.24
  6. Step 6: Final answer
    x = 61,247.60

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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.