Home / 77,120.10-115,637.17-23,796.94

Finding the Fourth Proportional to 77,120.10, 115,637.17 and 23,796.94

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Solution

The fourth proportional to 77,120.10, 115,637.17 and 23,796.94 is: 35,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,120.10 : 115,637.17 = 23,796.94 : x
  2. Step 2: Convert to fraction form
    77,120.10/115,637.17 = 23,796.94/x
  3. Step 3: Cross multiply
    77,120.10x = 115,637.17 × 23,796.94
  4. Step 4: Simplify right side
    77,120.10x = 2,751,810,709.11
  5. Step 5: Solve for x
    x = 2,751,810,709.11/77,120.10
  6. Step 6: Final answer
    x = 35,682.15

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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.