Home / 62,439.75-93,659.64-18,663.75

Finding the Fourth Proportional to 62,439.75, 93,659.64 and 18,663.75

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Solution

The fourth proportional to 62,439.75, 93,659.64 and 18,663.75 is: 27,995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,439.75 : 93,659.64 = 18,663.75 : x
  2. Step 2: Convert to fraction form
    62,439.75/93,659.64 = 18,663.75/x
  3. Step 3: Cross multiply
    62,439.75x = 93,659.64 × 18,663.75
  4. Step 4: Simplify right side
    62,439.75x = 1,748,040,106.05
  5. Step 5: Solve for x
    x = 1,748,040,106.05/62,439.75
  6. Step 6: Final answer
    x = 27,995.63

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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.