Home / 57,211.08-86,203.77-47,565.60

Finding the Fourth Proportional to 57,211.08, 86,203.77 and 47,565.60

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Solution

The fourth proportional to 57,211.08, 86,203.77 and 47,565.60 is: 71,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,211.08 : 86,203.77 = 47,565.60 : x
  2. Step 2: Convert to fraction form
    57,211.08/86,203.77 = 47,565.60/x
  3. Step 3: Cross multiply
    57,211.08x = 86,203.77 × 47,565.60
  4. Step 4: Simplify right side
    57,211.08x = 4,100,334,042.31
  5. Step 5: Solve for x
    x = 4,100,334,042.31/57,211.08
  6. Step 6: Final answer
    x = 71,670.28

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.