Home / 80,070.72-119,808.48-50,349.60

Finding the Fourth Proportional to 80,070.72, 119,808.48 and 50,349.60

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Solution

The fourth proportional to 80,070.72, 119,808.48 and 50,349.60 is: 75,337.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,070.72 : 119,808.48 = 50,349.60 : x
  2. Step 2: Convert to fraction form
    80,070.72/119,808.48 = 50,349.60/x
  3. Step 3: Cross multiply
    80,070.72x = 119,808.48 × 50,349.60
  4. Step 4: Simplify right side
    80,070.72x = 6,032,309,044.61
  5. Step 5: Solve for x
    x = 6,032,309,044.61/80,070.72
  6. Step 6: Final answer
    x = 75,337.26

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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.