Home / 87,214.53-130,822.31-31,056.83

Finding the Fourth Proportional to 87,214.53, 130,822.31 and 31,056.83

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Solution

The fourth proportional to 87,214.53, 130,822.31 and 31,056.83 is: 46,585.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,214.53 : 130,822.31 = 31,056.83 : x
  2. Step 2: Convert to fraction form
    87,214.53/130,822.31 = 31,056.83/x
  3. Step 3: Cross multiply
    87,214.53x = 130,822.31 × 31,056.83
  4. Step 4: Simplify right side
    87,214.53x = 4,062,926,155.99
  5. Step 5: Solve for x
    x = 4,062,926,155.99/87,214.53
  6. Step 6: Final answer
    x = 46,585.43

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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.