Home / 77,360.39-115,843.65-50,985.17

Finding the Fourth Proportional to 77,360.39, 115,843.65 and 50,985.17

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Solution

The fourth proportional to 77,360.39, 115,843.65 and 50,985.17 is: 76,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,360.39 : 115,843.65 = 50,985.17 : x
  2. Step 2: Convert to fraction form
    77,360.39/115,843.65 = 50,985.17/x
  3. Step 3: Cross multiply
    77,360.39x = 115,843.65 × 50,985.17
  4. Step 4: Simplify right side
    77,360.39x = 5,906,308,188.67
  5. Step 5: Solve for x
    x = 5,906,308,188.67/77,360.39
  6. Step 6: Final answer
    x = 76,347.96

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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.