Home / 48,119.32-66,416.70-38,521.72

Finding the Fourth Proportional to 48,119.32, 66,416.70 and 38,521.72

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Solution

The fourth proportional to 48,119.32, 66,416.70 and 38,521.72 is: 53,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,119.32 : 66,416.70 = 38,521.72 : x
  2. Step 2: Convert to fraction form
    48,119.32/66,416.70 = 38,521.72/x
  3. Step 3: Cross multiply
    48,119.32x = 66,416.70 × 38,521.72
  4. Step 4: Simplify right side
    48,119.32x = 2,558,485,520.72
  5. Step 5: Solve for x
    x = 2,558,485,520.72/48,119.32
  6. Step 6: Final answer
    x = 53,169.61

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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.