Home / 76,302.60-114,430.49-52,761.42

Finding the Fourth Proportional to 76,302.60, 114,430.49 and 52,761.42

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Solution

The fourth proportional to 76,302.60, 114,430.49 and 52,761.42 is: 79,125.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,302.60 : 114,430.49 = 52,761.42 : x
  2. Step 2: Convert to fraction form
    76,302.60/114,430.49 = 52,761.42/x
  3. Step 3: Cross multiply
    76,302.60x = 114,430.49 × 52,761.42
  4. Step 4: Simplify right side
    76,302.60x = 6,037,514,879.89
  5. Step 5: Solve for x
    x = 6,037,514,879.89/76,302.60
  6. Step 6: Final answer
    x = 79,125.94

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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.