Home / 82,758.66-124,199.58-40,661.34

Finding the Fourth Proportional to 82,758.66, 124,199.58 and 40,661.34

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Solution

The fourth proportional to 82,758.66, 124,199.58 and 40,661.34 is: 61,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,758.66 : 124,199.58 = 40,661.34 : x
  2. Step 2: Convert to fraction form
    82,758.66/124,199.58 = 40,661.34/x
  3. Step 3: Cross multiply
    82,758.66x = 124,199.58 × 40,661.34
  4. Step 4: Simplify right side
    82,758.66x = 5,050,121,350.24
  5. Step 5: Solve for x
    x = 5,050,121,350.24/82,758.66
  6. Step 6: Final answer
    x = 61,022.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.