Home / 120,718.24-181,079.08-36,479.10

Finding the Fourth Proportional to 120,718.24, 181,079.08 and 36,479.10

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Solution

The fourth proportional to 120,718.24, 181,079.08 and 36,479.10 is: 54,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,718.24 : 181,079.08 = 36,479.10 : x
  2. Step 2: Convert to fraction form
    120,718.24/181,079.08 = 36,479.10/x
  3. Step 3: Cross multiply
    120,718.24x = 181,079.08 × 36,479.10
  4. Step 4: Simplify right side
    120,718.24x = 6,605,601,867.23
  5. Step 5: Solve for x
    x = 6,605,601,867.23/120,718.24
  6. Step 6: Final answer
    x = 54,719.17

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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.