Home / 85,941.52-118,600.08-48,216.56

Finding the Fourth Proportional to 85,941.52, 118,600.08 and 48,216.56

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Solution

The fourth proportional to 85,941.52, 118,600.08 and 48,216.56 is: 66,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,941.52 : 118,600.08 = 48,216.56 : x
  2. Step 2: Convert to fraction form
    85,941.52/118,600.08 = 48,216.56/x
  3. Step 3: Cross multiply
    85,941.52x = 118,600.08 × 48,216.56
  4. Step 4: Simplify right side
    85,941.52x = 5,718,487,873.32
  5. Step 5: Solve for x
    x = 5,718,487,873.32/85,941.52
  6. Step 6: Final answer
    x = 66,539.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.