Home / 66,113.39-99,244.07-43,970.15

Finding the Fourth Proportional to 66,113.39, 99,244.07 and 43,970.15

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Solution

The fourth proportional to 66,113.39, 99,244.07 and 43,970.15 is: 66,004.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,113.39 : 99,244.07 = 43,970.15 : x
  2. Step 2: Convert to fraction form
    66,113.39/99,244.07 = 43,970.15/x
  3. Step 3: Cross multiply
    66,113.39x = 99,244.07 × 43,970.15
  4. Step 4: Simplify right side
    66,113.39x = 4,363,775,928.44
  5. Step 5: Solve for x
    x = 4,363,775,928.44/66,113.39
  6. Step 6: Final answer
    x = 66,004.42

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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.