Home / 82,814.24-114,281.86-48,364.90

Finding the Fourth Proportional to 82,814.24, 114,281.86 and 48,364.90

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Solution

The fourth proportional to 82,814.24, 114,281.86 and 48,364.90 is: 66,742.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,814.24 : 114,281.86 = 48,364.90 : x
  2. Step 2: Convert to fraction form
    82,814.24/114,281.86 = 48,364.90/x
  3. Step 3: Cross multiply
    82,814.24x = 114,281.86 × 48,364.90
  4. Step 4: Simplify right side
    82,814.24x = 5,527,230,730.71
  5. Step 5: Solve for x
    x = 5,527,230,730.71/82,814.24
  6. Step 6: Final answer
    x = 66,742.52

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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.