Home / 76,018.20-114,045.86-53,572.66

Finding the Fourth Proportional to 76,018.20, 114,045.86 and 53,572.66

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Solution

The fourth proportional to 76,018.20, 114,045.86 and 53,572.66 is: 80,372.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,018.20 : 114,045.86 = 53,572.66 : x
  2. Step 2: Convert to fraction form
    76,018.20/114,045.86 = 53,572.66/x
  3. Step 3: Cross multiply
    76,018.20x = 114,045.86 × 53,572.66
  4. Step 4: Simplify right side
    76,018.20x = 6,109,740,082.19
  5. Step 5: Solve for x
    x = 6,109,740,082.19/76,018.20
  6. Step 6: Final answer
    x = 80,372.07

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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.