Home / 82,402.12-113,746.08-50,614.12

Finding the Fourth Proportional to 82,402.12, 113,746.08 and 50,614.12

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Solution

The fourth proportional to 82,402.12, 113,746.08 and 50,614.12 is: 69,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,402.12 : 113,746.08 = 50,614.12 : x
  2. Step 2: Convert to fraction form
    82,402.12/113,746.08 = 50,614.12/x
  3. Step 3: Cross multiply
    82,402.12x = 113,746.08 × 50,614.12
  4. Step 4: Simplify right side
    82,402.12x = 5,757,157,742.65
  5. Step 5: Solve for x
    x = 5,757,157,742.65/82,402.12
  6. Step 6: Final answer
    x = 69,866.62

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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.