Home / 99,201.58-136,937.43-69,004.42

Finding the Fourth Proportional to 99,201.58, 136,937.43 and 69,004.42

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Solution

The fourth proportional to 99,201.58, 136,937.43 and 69,004.42 is: 95,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,201.58 : 136,937.43 = 69,004.42 : x
  2. Step 2: Convert to fraction form
    99,201.58/136,937.43 = 69,004.42/x
  3. Step 3: Cross multiply
    99,201.58x = 136,937.43 × 69,004.42
  4. Step 4: Simplify right side
    99,201.58x = 9,449,287,591.10
  5. Step 5: Solve for x
    x = 9,449,287,591.10/99,201.58
  6. Step 6: Final answer
    x = 95,253.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.