Home / 76,538.16-114,859.49-26,617.77

Finding the Fourth Proportional to 76,538.16, 114,859.49 and 26,617.77

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Solution

The fourth proportional to 76,538.16, 114,859.49 and 26,617.77 is: 39,944.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,538.16 : 114,859.49 = 26,617.77 : x
  2. Step 2: Convert to fraction form
    76,538.16/114,859.49 = 26,617.77/x
  3. Step 3: Cross multiply
    76,538.16x = 114,859.49 × 26,617.77
  4. Step 4: Simplify right side
    76,538.16x = 3,057,303,354.05
  5. Step 5: Solve for x
    x = 3,057,303,354.05/76,538.16
  6. Step 6: Final answer
    x = 39,944.82

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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.