Home / 76,174.08-114,259.32-31,799.94

Finding the Fourth Proportional to 76,174.08, 114,259.32 and 31,799.94

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Solution

The fourth proportional to 76,174.08, 114,259.32 and 31,799.94 is: 47,699.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,174.08 : 114,259.32 = 31,799.94 : x
  2. Step 2: Convert to fraction form
    76,174.08/114,259.32 = 31,799.94/x
  3. Step 3: Cross multiply
    76,174.08x = 114,259.32 × 31,799.94
  4. Step 4: Simplify right side
    76,174.08x = 3,633,439,520.44
  5. Step 5: Solve for x
    x = 3,633,439,520.44/76,174.08
  6. Step 6: Final answer
    x = 47,699.16

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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.