Home / 99,755.73-149,549.38-46,420.13

Finding the Fourth Proportional to 99,755.73, 149,549.38 and 46,420.13

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Solution

The fourth proportional to 99,755.73, 149,549.38 and 46,420.13 is: 69,591.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,755.73 : 149,549.38 = 46,420.13 : x
  2. Step 2: Convert to fraction form
    99,755.73/149,549.38 = 46,420.13/x
  3. Step 3: Cross multiply
    99,755.73x = 149,549.38 × 46,420.13
  4. Step 4: Simplify right side
    99,755.73x = 6,942,101,661.02
  5. Step 5: Solve for x
    x = 6,942,101,661.02/99,755.73
  6. Step 6: Final answer
    x = 69,591.01

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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.