Home / 87,935.60-131,903.40-35,345.12

Finding the Fourth Proportional to 87,935.60, 131,903.40 and 35,345.12

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Solution

The fourth proportional to 87,935.60, 131,903.40 and 35,345.12 is: 53,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,935.60 : 131,903.40 = 35,345.12 : x
  2. Step 2: Convert to fraction form
    87,935.60/131,903.40 = 35,345.12/x
  3. Step 3: Cross multiply
    87,935.60x = 131,903.40 × 35,345.12
  4. Step 4: Simplify right side
    87,935.60x = 4,662,141,501.41
  5. Step 5: Solve for x
    x = 4,662,141,501.41/87,935.60
  6. Step 6: Final answer
    x = 53,017.68

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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.