Home / 80,349.02-120,474.91-35,967.50

Finding the Fourth Proportional to 80,349.02, 120,474.91 and 35,967.50

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Solution

The fourth proportional to 80,349.02, 120,474.91 and 35,967.50 is: 53,929.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,349.02 : 120,474.91 = 35,967.50 : x
  2. Step 2: Convert to fraction form
    80,349.02/120,474.91 = 35,967.50/x
  3. Step 3: Cross multiply
    80,349.02x = 120,474.91 × 35,967.50
  4. Step 4: Simplify right side
    80,349.02x = 4,333,181,325.43
  5. Step 5: Solve for x
    x = 4,333,181,325.43/80,349.02
  6. Step 6: Final answer
    x = 53,929.49

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1.5x scale

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.