Home / 63,927.72-88,211.70-38,772.36

Finding the Fourth Proportional to 63,927.72, 88,211.70 and 38,772.36

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Solution

The fourth proportional to 63,927.72, 88,211.70 and 38,772.36 is: 53,500.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,927.72 : 88,211.70 = 38,772.36 : x
  2. Step 2: Convert to fraction form
    63,927.72/88,211.70 = 38,772.36/x
  3. Step 3: Cross multiply
    63,927.72x = 88,211.70 × 38,772.36
  4. Step 4: Simplify right side
    63,927.72x = 3,420,175,788.61
  5. Step 5: Solve for x
    x = 3,420,175,788.61/63,927.72
  6. Step 6: Final answer
    x = 53,500.67

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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.