Home / 82,088.46-123,016.95-38,765.16

Finding the Fourth Proportional to 82,088.46, 123,016.95 and 38,765.16

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Solution

The fourth proportional to 82,088.46, 123,016.95 and 38,765.16 is: 58,093.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,088.46 : 123,016.95 = 38,765.16 : x
  2. Step 2: Convert to fraction form
    82,088.46/123,016.95 = 38,765.16/x
  3. Step 3: Cross multiply
    82,088.46x = 123,016.95 × 38,765.16
  4. Step 4: Simplify right side
    82,088.46x = 4,768,771,749.46
  5. Step 5: Solve for x
    x = 4,768,771,749.46/82,088.46
  6. Step 6: Final answer
    x = 58,093.08

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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.