Home / 76,535.91-114,856.10-26,615.51

Finding the Fourth Proportional to 76,535.91, 114,856.10 and 26,615.51

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Solution

The fourth proportional to 76,535.91, 114,856.10 and 26,615.51 is: 39,941.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,535.91 : 114,856.10 = 26,615.51 : x
  2. Step 2: Convert to fraction form
    76,535.91/114,856.10 = 26,615.51/x
  3. Step 3: Cross multiply
    76,535.91x = 114,856.10 × 26,615.51
  4. Step 4: Simplify right side
    76,535.91x = 3,056,952,970.75
  5. Step 5: Solve for x
    x = 3,056,952,970.75/76,535.91
  6. Step 6: Final answer
    x = 39,941.42

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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.