Home / 58,388.18-87,687.96-53,699.79

Finding the Fourth Proportional to 58,388.18, 87,687.96 and 53,699.79

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Solution

The fourth proportional to 58,388.18, 87,687.96 and 53,699.79 is: 80,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,388.18 : 87,687.96 = 53,699.79 : x
  2. Step 2: Convert to fraction form
    58,388.18/87,687.96 = 53,699.79/x
  3. Step 3: Cross multiply
    58,388.18x = 87,687.96 × 53,699.79
  4. Step 4: Simplify right side
    58,388.18x = 4,708,825,037.53
  5. Step 5: Solve for x
    x = 4,708,825,037.53/58,388.18
  6. Step 6: Final answer
    x = 80,646.90

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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.