Home / 82,850.32-124,088.58-38,383.66

Finding the Fourth Proportional to 82,850.32, 124,088.58 and 38,383.66

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Solution

The fourth proportional to 82,850.32, 124,088.58 and 38,383.66 is: 57,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,850.32 : 124,088.58 = 38,383.66 : x
  2. Step 2: Convert to fraction form
    82,850.32/124,088.58 = 38,383.66/x
  3. Step 3: Cross multiply
    82,850.32x = 124,088.58 × 38,383.66
  4. Step 4: Simplify right side
    82,850.32x = 4,762,973,864.60
  5. Step 5: Solve for x
    x = 4,762,973,864.60/82,850.32
  6. Step 6: Final answer
    x = 57,488.90

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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.