Home / 99,901.04-149,925.30-47,310.44

Finding the Fourth Proportional to 99,901.04, 149,925.30 and 47,310.44

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Solution

The fourth proportional to 99,901.04, 149,925.30 and 47,310.44 is: 71,000.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,901.04 : 149,925.30 = 47,310.44 : x
  2. Step 2: Convert to fraction form
    99,901.04/149,925.30 = 47,310.44/x
  3. Step 3: Cross multiply
    99,901.04x = 149,925.30 × 47,310.44
  4. Step 4: Simplify right side
    99,901.04x = 7,093,031,910.13
  5. Step 5: Solve for x
    x = 7,093,031,910.13/99,901.04
  6. Step 6: Final answer
    x = 71,000.58

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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.