Home / 76,338.66-114,502.23-38,875.26

Finding the Fourth Proportional to 76,338.66, 114,502.23 and 38,875.26

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Solution

The fourth proportional to 76,338.66, 114,502.23 and 38,875.26 is: 58,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,338.66 : 114,502.23 = 38,875.26 : x
  2. Step 2: Convert to fraction form
    76,338.66/114,502.23 = 38,875.26/x
  3. Step 3: Cross multiply
    76,338.66x = 114,502.23 × 38,875.26
  4. Step 4: Simplify right side
    76,338.66x = 4,451,303,961.83
  5. Step 5: Solve for x
    x = 4,451,303,961.83/76,338.66
  6. Step 6: Final answer
    x = 58,309.96

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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.