Home / 80,673.28-111,320.60-44,857.51

Finding the Fourth Proportional to 80,673.28, 111,320.60 and 44,857.51

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Solution

The fourth proportional to 80,673.28, 111,320.60 and 44,857.51 is: 61,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,673.28 : 111,320.60 = 44,857.51 : x
  2. Step 2: Convert to fraction form
    80,673.28/111,320.60 = 44,857.51/x
  3. Step 3: Cross multiply
    80,673.28x = 111,320.60 × 44,857.51
  4. Step 4: Simplify right side
    80,673.28x = 4,993,564,927.71
  5. Step 5: Solve for x
    x = 4,993,564,927.71/80,673.28
  6. Step 6: Final answer
    x = 61,898.62

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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.