Home / 83,964.36-115,673.73-58,426.81

Finding the Fourth Proportional to 83,964.36, 115,673.73 and 58,426.81

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Solution

The fourth proportional to 83,964.36, 115,673.73 and 58,426.81 is: 80,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,964.36 : 115,673.73 = 58,426.81 : x
  2. Step 2: Convert to fraction form
    83,964.36/115,673.73 = 58,426.81/x
  3. Step 3: Cross multiply
    83,964.36x = 115,673.73 × 58,426.81
  4. Step 4: Simplify right side
    83,964.36x = 6,758,447,044.70
  5. Step 5: Solve for x
    x = 6,758,447,044.70/83,964.36
  6. Step 6: Final answer
    x = 80,491.85

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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.