Home / 77,086.08-115,587.36-35,496

Finding the Fourth Proportional to 77,086.08, 115,587.36 and 35,496

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Solution

The fourth proportional to 77,086.08, 115,587.36 and 35,496 is: 53,224.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,086.08 : 115,587.36 = 35,496 : x
  2. Step 2: Convert to fraction form
    77,086.08/115,587.36 = 35,496/x
  3. Step 3: Cross multiply
    77,086.08x = 115,587.36 × 35,496
  4. Step 4: Simplify right side
    77,086.08x = 4,102,888,930.56
  5. Step 5: Solve for x
    x = 4,102,888,930.56/77,086.08
  6. Step 6: Final answer
    x = 53,224.77

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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.