Home / 90,724.93-136,103.79-37,387.24

Finding the Fourth Proportional to 90,724.93, 136,103.79 and 37,387.24

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Solution

The fourth proportional to 90,724.93, 136,103.79 and 37,387.24 is: 56,087.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,724.93 : 136,103.79 = 37,387.24 : x
  2. Step 2: Convert to fraction form
    90,724.93/136,103.79 = 37,387.24/x
  3. Step 3: Cross multiply
    90,724.93x = 136,103.79 × 37,387.24
  4. Step 4: Simplify right side
    90,724.93x = 5,088,544,861.58
  5. Step 5: Solve for x
    x = 5,088,544,861.58/90,724.93
  6. Step 6: Final answer
    x = 56,087.62

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1.5x scale

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.