Home / 77,768.29-116,792.96-71,516.77

Finding the Fourth Proportional to 77,768.29, 116,792.96 and 71,516.77

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Solution

The fourth proportional to 77,768.29, 116,792.96 and 71,516.77 is: 107,404.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,768.29 : 116,792.96 = 71,516.77 : x
  2. Step 2: Convert to fraction form
    77,768.29/116,792.96 = 71,516.77/x
  3. Step 3: Cross multiply
    77,768.29x = 116,792.96 × 71,516.77
  4. Step 4: Simplify right side
    77,768.29x = 8,352,655,257.94
  5. Step 5: Solve for x
    x = 8,352,655,257.94/77,768.29
  6. Step 6: Final answer
    x = 107,404.38

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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.