Home / 62,518.50-93,777.75-18,742.50

Finding the Fourth Proportional to 62,518.50, 93,777.75 and 18,742.50

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Solution

The fourth proportional to 62,518.50, 93,777.75 and 18,742.50 is: 28,113.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,518.50 : 93,777.75 = 18,742.50 : x
  2. Step 2: Convert to fraction form
    62,518.50/93,777.75 = 18,742.50/x
  3. Step 3: Cross multiply
    62,518.50x = 93,777.75 × 18,742.50
  4. Step 4: Simplify right side
    62,518.50x = 1,757,629,479.38
  5. Step 5: Solve for x
    x = 1,757,629,479.38/62,518.50
  6. Step 6: Final answer
    x = 28,113.75

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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.