Home / 65,767.08-98,611.20-31,966.53

Finding the Fourth Proportional to 65,767.08, 98,611.20 and 31,966.53

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Solution

The fourth proportional to 65,767.08, 98,611.20 and 31,966.53 is: 47,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,767.08 : 98,611.20 = 31,966.53 : x
  2. Step 2: Convert to fraction form
    65,767.08/98,611.20 = 31,966.53/x
  3. Step 3: Cross multiply
    65,767.08x = 98,611.20 × 31,966.53
  4. Step 4: Simplify right side
    65,767.08x = 3,152,257,883.14
  5. Step 5: Solve for x
    x = 3,152,257,883.14/65,767.08
  6. Step 6: Final answer
    x = 47,930.63

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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.