Home / 67,621.74-93,286.56-43,756.12

Finding the Fourth Proportional to 67,621.74, 93,286.56 and 43,756.12

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Solution

The fourth proportional to 67,621.74, 93,286.56 and 43,756.12 is: 60,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,621.74 : 93,286.56 = 43,756.12 : x
  2. Step 2: Convert to fraction form
    67,621.74/93,286.56 = 43,756.12/x
  3. Step 3: Cross multiply
    67,621.74x = 93,286.56 × 43,756.12
  4. Step 4: Simplify right side
    67,621.74x = 4,081,857,913.75
  5. Step 5: Solve for x
    x = 4,081,857,913.75/67,621.74
  6. Step 6: Final answer
    x = 60,363.10

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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.