Home / 99,646.15-149,436.70-33,068.40

Finding the Fourth Proportional to 99,646.15, 149,436.70 and 33,068.40

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Solution

The fourth proportional to 99,646.15, 149,436.70 and 33,068.40 is: 49,591.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,646.15 : 149,436.70 = 33,068.40 : x
  2. Step 2: Convert to fraction form
    99,646.15/149,436.70 = 33,068.40/x
  3. Step 3: Cross multiply
    99,646.15x = 149,436.70 × 33,068.40
  4. Step 4: Simplify right side
    99,646.15x = 4,941,632,570.28
  5. Step 5: Solve for x
    x = 4,941,632,570.28/99,646.15
  6. Step 6: Final answer
    x = 49,591.81

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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.