Home / 73,835.20-110,752.80-47,569.60

Finding the Fourth Proportional to 73,835.20, 110,752.80 and 47,569.60

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Solution

The fourth proportional to 73,835.20, 110,752.80 and 47,569.60 is: 71,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,835.20 : 110,752.80 = 47,569.60 : x
  2. Step 2: Convert to fraction form
    73,835.20/110,752.80 = 47,569.60/x
  3. Step 3: Cross multiply
    73,835.20x = 110,752.80 × 47,569.60
  4. Step 4: Simplify right side
    73,835.20x = 5,268,466,394.88
  5. Step 5: Solve for x
    x = 5,268,466,394.88/73,835.20
  6. Step 6: Final answer
    x = 71,354.40

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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.