Home / 76,278.51-114,412.63-26,359.29

Finding the Fourth Proportional to 76,278.51, 114,412.63 and 26,359.29

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Solution

The fourth proportional to 76,278.51, 114,412.63 and 26,359.29 is: 39,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,278.51 : 114,412.63 = 26,359.29 : x
  2. Step 2: Convert to fraction form
    76,278.51/114,412.63 = 26,359.29/x
  3. Step 3: Cross multiply
    76,278.51x = 114,412.63 × 26,359.29
  4. Step 4: Simplify right side
    76,278.51x = 3,015,834,989.97
  5. Step 5: Solve for x
    x = 3,015,834,989.97/76,278.51
  6. Step 6: Final answer
    x = 39,537.15

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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.