Home / 82,785.50-124,199.21-23,621.38

Finding the Fourth Proportional to 82,785.50, 124,199.21 and 23,621.38

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Solution

The fourth proportional to 82,785.50, 124,199.21 and 23,621.38 is: 35,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,785.50 : 124,199.21 = 23,621.38 : x
  2. Step 2: Convert to fraction form
    82,785.50/124,199.21 = 23,621.38/x
  3. Step 3: Cross multiply
    82,785.50x = 124,199.21 × 23,621.38
  4. Step 4: Simplify right side
    82,785.50x = 2,933,756,735.11
  5. Step 5: Solve for x
    x = 2,933,756,735.11/82,785.50
  6. Step 6: Final answer
    x = 35,438.05

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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.