Home / 76,588.76-114,886.49-26,672.72

Finding the Fourth Proportional to 76,588.76, 114,886.49 and 26,672.72

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Solution

The fourth proportional to 76,588.76, 114,886.49 and 26,672.72 is: 40,010.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,588.76 : 114,886.49 = 26,672.72 : x
  2. Step 2: Convert to fraction form
    76,588.76/114,886.49 = 26,672.72/x
  3. Step 3: Cross multiply
    76,588.76x = 114,886.49 × 26,672.72
  4. Step 4: Simplify right side
    76,588.76x = 3,064,334,471.76
  5. Step 5: Solve for x
    x = 3,064,334,471.76/76,588.76
  6. Step 6: Final answer
    x = 40,010.24

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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.