Home / 82,811.72-114,295.06-48,818.18

Finding the Fourth Proportional to 82,811.72, 114,295.06 and 48,818.18

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Solution

The fourth proportional to 82,811.72, 114,295.06 and 48,818.18 is: 67,377.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,811.72 : 114,295.06 = 48,818.18 : x
  2. Step 2: Convert to fraction form
    82,811.72/114,295.06 = 48,818.18/x
  3. Step 3: Cross multiply
    82,811.72x = 114,295.06 × 48,818.18
  4. Step 4: Simplify right side
    82,811.72x = 5,579,676,812.19
  5. Step 5: Solve for x
    x = 5,579,676,812.19/82,811.72
  6. Step 6: Final answer
    x = 67,377.86

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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.