Home / 99,376.62-137,109.06-60,622.64

Finding the Fourth Proportional to 99,376.62, 137,109.06 and 60,622.64

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Solution

The fourth proportional to 99,376.62, 137,109.06 and 60,622.64 is: 83,640.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,376.62 : 137,109.06 = 60,622.64 : x
  2. Step 2: Convert to fraction form
    99,376.62/137,109.06 = 60,622.64/x
  3. Step 3: Cross multiply
    99,376.62x = 137,109.06 × 60,622.64
  4. Step 4: Simplify right side
    99,376.62x = 8,311,913,185.12
  5. Step 5: Solve for x
    x = 8,311,913,185.12/99,376.62
  6. Step 6: Final answer
    x = 83,640.53

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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.