Home / 75,106.62-103,652.10-43,277.55

Finding the Fourth Proportional to 75,106.62, 103,652.10 and 43,277.55

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Solution

The fourth proportional to 75,106.62, 103,652.10 and 43,277.55 is: 59,725.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,106.62 : 103,652.10 = 43,277.55 : x
  2. Step 2: Convert to fraction form
    75,106.62/103,652.10 = 43,277.55/x
  3. Step 3: Cross multiply
    75,106.62x = 103,652.10 × 43,277.55
  4. Step 4: Simplify right side
    75,106.62x = 4,485,808,940.36
  5. Step 5: Solve for x
    x = 4,485,808,940.36/75,106.62
  6. Step 6: Final answer
    x = 59,725.88

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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.