Home / 76,660.61-114,991.40-26,740.51

Finding the Fourth Proportional to 76,660.61, 114,991.40 and 26,740.51

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Solution

The fourth proportional to 76,660.61, 114,991.40 and 26,740.51 is: 40,110.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,660.61 : 114,991.40 = 26,740.51 : x
  2. Step 2: Convert to fraction form
    76,660.61/114,991.40 = 26,740.51/x
  3. Step 3: Cross multiply
    76,660.61x = 114,991.40 × 26,740.51
  4. Step 4: Simplify right side
    76,660.61x = 3,074,928,460.99
  5. Step 5: Solve for x
    x = 3,074,928,460.99/76,660.61
  6. Step 6: Final answer
    x = 40,110.93

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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.