Home / 101,639.11-152,598.32-51,752.73

Finding the Fourth Proportional to 101,639.11, 152,598.32 and 51,752.73

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Solution

The fourth proportional to 101,639.11, 152,598.32 and 51,752.73 is: 77,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,639.11 : 152,598.32 = 51,752.73 : x
  2. Step 2: Convert to fraction form
    101,639.11/152,598.32 = 51,752.73/x
  3. Step 3: Cross multiply
    101,639.11x = 152,598.32 × 51,752.73
  4. Step 4: Simplify right side
    101,639.11x = 7,897,379,653.41
  5. Step 5: Solve for x
    x = 7,897,379,653.41/101,639.11
  6. Step 6: Final answer
    x = 77,700.20

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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.