Home / 57,832.20-86,705.10-31,566.60

Finding the Fourth Proportional to 57,832.20, 86,705.10 and 31,566.60

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Solution

The fourth proportional to 57,832.20, 86,705.10 and 31,566.60 is: 47,326.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,832.20 : 86,705.10 = 31,566.60 : x
  2. Step 2: Convert to fraction form
    57,832.20/86,705.10 = 31,566.60/x
  3. Step 3: Cross multiply
    57,832.20x = 86,705.10 × 31,566.60
  4. Step 4: Simplify right side
    57,832.20x = 2,736,985,209.66
  5. Step 5: Solve for x
    x = 2,736,985,209.66/57,832.20
  6. Step 6: Final answer
    x = 47,326.32

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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.