Home / 77,162.92-115,748.89-29,778.26

Finding the Fourth Proportional to 77,162.92, 115,748.89 and 29,778.26

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Solution

The fourth proportional to 77,162.92, 115,748.89 and 29,778.26 is: 44,669.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,162.92 : 115,748.89 = 29,778.26 : x
  2. Step 2: Convert to fraction form
    77,162.92/115,748.89 = 29,778.26/x
  3. Step 3: Cross multiply
    77,162.92x = 115,748.89 × 29,778.26
  4. Step 4: Simplify right side
    77,162.92x = 3,446,800,541.13
  5. Step 5: Solve for x
    x = 3,446,800,541.13/77,162.92
  6. Step 6: Final answer
    x = 44,669.13

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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.