Home / 83,216.14-114,722.15-57,678.66

Finding the Fourth Proportional to 83,216.14, 114,722.15 and 57,678.66

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Solution

The fourth proportional to 83,216.14, 114,722.15 and 57,678.66 is: 79,516.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,216.14 : 114,722.15 = 57,678.66 : x
  2. Step 2: Convert to fraction form
    83,216.14/114,722.15 = 57,678.66/x
  3. Step 3: Cross multiply
    83,216.14x = 114,722.15 × 57,678.66
  4. Step 4: Simplify right side
    83,216.14x = 6,617,019,884.32
  5. Step 5: Solve for x
    x = 6,617,019,884.32/83,216.14
  6. Step 6: Final answer
    x = 79,516.06

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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.