Home / 92,772.65-139,350.63-88,729.73

Finding the Fourth Proportional to 92,772.65, 139,350.63 and 88,729.73

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Solution

The fourth proportional to 92,772.65, 139,350.63 and 88,729.73 is: 133,277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,772.65 : 139,350.63 = 88,729.73 : x
  2. Step 2: Convert to fraction form
    92,772.65/139,350.63 = 88,729.73/x
  3. Step 3: Cross multiply
    92,772.65x = 139,350.63 × 88,729.73
  4. Step 4: Simplify right side
    92,772.65x = 12,364,543,775.23
  5. Step 5: Solve for x
    x = 12,364,543,775.23/92,772.65
  6. Step 6: Final answer
    x = 133,277.91

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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.