Home / 82,785.42-114,107.24-58,555.08

Finding the Fourth Proportional to 82,785.42, 114,107.24 and 58,555.08

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Solution

The fourth proportional to 82,785.42, 114,107.24 and 58,555.08 is: 80,709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,785.42 : 114,107.24 = 58,555.08 : x
  2. Step 2: Convert to fraction form
    82,785.42/114,107.24 = 58,555.08/x
  3. Step 3: Cross multiply
    82,785.42x = 114,107.24 × 58,555.08
  4. Step 4: Simplify right side
    82,785.42x = 6,681,558,713.17
  5. Step 5: Solve for x
    x = 6,681,558,713.17/82,785.42
  6. Step 6: Final answer
    x = 80,709.37

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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.