Home / 99,943.15-149,993.40-46,607.69

Finding the Fourth Proportional to 99,943.15, 149,993.40 and 46,607.69

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Solution

The fourth proportional to 99,943.15, 149,993.40 and 46,607.69 is: 69,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,943.15 : 149,993.40 = 46,607.69 : x
  2. Step 2: Convert to fraction form
    99,943.15/149,993.40 = 46,607.69/x
  3. Step 3: Cross multiply
    99,943.15x = 149,993.40 × 46,607.69
  4. Step 4: Simplify right side
    99,943.15x = 6,990,844,906.24
  5. Step 5: Solve for x
    x = 6,990,844,906.24/99,943.15
  6. Step 6: Final answer
    x = 69,948.21

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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.