Home / 77,083.34-115,638.26-26,479.94

Finding the Fourth Proportional to 77,083.34, 115,638.26 and 26,479.94

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Solution

The fourth proportional to 77,083.34, 115,638.26 and 26,479.94 is: 39,724.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,083.34 : 115,638.26 = 26,479.94 : x
  2. Step 2: Convert to fraction form
    77,083.34/115,638.26 = 26,479.94/x
  3. Step 3: Cross multiply
    77,083.34x = 115,638.26 × 26,479.94
  4. Step 4: Simplify right side
    77,083.34x = 3,062,093,475.91
  5. Step 5: Solve for x
    x = 3,062,093,475.91/77,083.34
  6. Step 6: Final answer
    x = 39,724.46

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1.5x scale

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.