Home / 85,246.32-127,860.96-26,082.51

Finding the Fourth Proportional to 85,246.32, 127,860.96 and 26,082.51

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Solution

The fourth proportional to 85,246.32, 127,860.96 and 26,082.51 is: 39,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,246.32 : 127,860.96 = 26,082.51 : x
  2. Step 2: Convert to fraction form
    85,246.32/127,860.96 = 26,082.51/x
  3. Step 3: Cross multiply
    85,246.32x = 127,860.96 × 26,082.51
  4. Step 4: Simplify right side
    85,246.32x = 3,334,934,767.81
  5. Step 5: Solve for x
    x = 3,334,934,767.81/85,246.32
  6. Step 6: Final answer
    x = 39,121.16

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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.