Home / 79,192.08-109,243.62-48,967.74

Finding the Fourth Proportional to 79,192.08, 109,243.62 and 48,967.74

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Solution

The fourth proportional to 79,192.08, 109,243.62 and 48,967.74 is: 67,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,192.08 : 109,243.62 = 48,967.74 : x
  2. Step 2: Convert to fraction form
    79,192.08/109,243.62 = 48,967.74/x
  3. Step 3: Cross multiply
    79,192.08x = 109,243.62 × 48,967.74
  4. Step 4: Simplify right side
    79,192.08x = 5,349,413,180.82
  5. Step 5: Solve for x
    x = 5,349,413,180.82/79,192.08
  6. Step 6: Final answer
    x = 67,549.85

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1.5x scale

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.