Home / 57,860.20-86,660.70-56,564.20

Finding the Fourth Proportional to 57,860.20, 86,660.70 and 56,564.20

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Solution

The fourth proportional to 57,860.20, 86,660.70 and 56,564.20 is: 84,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,860.20 : 86,660.70 = 56,564.20 : x
  2. Step 2: Convert to fraction form
    57,860.20/86,660.70 = 56,564.20/x
  3. Step 3: Cross multiply
    57,860.20x = 86,660.70 × 56,564.20
  4. Step 4: Simplify right side
    57,860.20x = 4,901,893,166.94
  5. Step 5: Solve for x
    x = 4,901,893,166.94/57,860.20
  6. Step 6: Final answer
    x = 84,719.60

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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.