Home / 110,724.89-165,837.63-51,435.79

Finding the Fourth Proportional to 110,724.89, 165,837.63 and 51,435.79

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Solution

The fourth proportional to 110,724.89, 165,837.63 and 51,435.79 is: 77,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,724.89 : 165,837.63 = 51,435.79 : x
  2. Step 2: Convert to fraction form
    110,724.89/165,837.63 = 51,435.79/x
  3. Step 3: Cross multiply
    110,724.89x = 165,837.63 × 51,435.79
  4. Step 4: Simplify right side
    110,724.89x = 8,529,989,510.78
  5. Step 5: Solve for x
    x = 8,529,989,510.78/110,724.89
  6. Step 6: Final answer
    x = 77,037.69

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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.