Home / 80,684.84-111,345.08-44,386.79

Finding the Fourth Proportional to 80,684.84, 111,345.08 and 44,386.79

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Solution

The fourth proportional to 80,684.84, 111,345.08 and 44,386.79 is: 61,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,684.84 : 111,345.08 = 44,386.79 : x
  2. Step 2: Convert to fraction form
    80,684.84/111,345.08 = 44,386.79/x
  3. Step 3: Cross multiply
    80,684.84x = 111,345.08 × 44,386.79
  4. Step 4: Simplify right side
    80,684.84x = 4,942,250,683.49
  5. Step 5: Solve for x
    x = 4,942,250,683.49/80,684.84
  6. Step 6: Final answer
    x = 61,253.77

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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.