Home / 99,851.28-149,702.94-47,199.24

Finding the Fourth Proportional to 99,851.28, 149,702.94 and 47,199.24

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Solution

The fourth proportional to 99,851.28, 149,702.94 and 47,199.24 is: 70,763.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,851.28 : 149,702.94 = 47,199.24 : x
  2. Step 2: Convert to fraction form
    99,851.28/149,702.94 = 47,199.24/x
  3. Step 3: Cross multiply
    99,851.28x = 149,702.94 × 47,199.24
  4. Step 4: Simplify right side
    99,851.28x = 7,065,864,993.77
  5. Step 5: Solve for x
    x = 7,065,864,993.77/99,851.28
  6. Step 6: Final answer
    x = 70,763.89

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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.