Home / 99,823.28-149,603.64-49,250.12

Finding the Fourth Proportional to 99,823.28, 149,603.64 and 49,250.12

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Solution

The fourth proportional to 99,823.28, 149,603.64 and 49,250.12 is: 73,810.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,823.28 : 149,603.64 = 49,250.12 : x
  2. Step 2: Convert to fraction form
    99,823.28/149,603.64 = 49,250.12/x
  3. Step 3: Cross multiply
    99,823.28x = 149,603.64 × 49,250.12
  4. Step 4: Simplify right side
    99,823.28x = 7,367,997,222.44
  5. Step 5: Solve for x
    x = 7,367,997,222.44/99,823.28
  6. Step 6: Final answer
    x = 73,810.41

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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.