Home / 63,930.70-88,222.53-35,635.78

Finding the Fourth Proportional to 63,930.70, 88,222.53 and 35,635.78

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Solution

The fourth proportional to 63,930.70, 88,222.53 and 35,635.78 is: 49,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,930.70 : 88,222.53 = 35,635.78 : x
  2. Step 2: Convert to fraction form
    63,930.70/88,222.53 = 35,635.78/x
  3. Step 3: Cross multiply
    63,930.70x = 88,222.53 × 35,635.78
  4. Step 4: Simplify right side
    63,930.70x = 3,143,878,670.12
  5. Step 5: Solve for x
    x = 3,143,878,670.12/63,930.70
  6. Step 6: Final answer
    x = 49,176.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.