Home / 120,712.32-181,069.83-36,473.18

Finding the Fourth Proportional to 120,712.32, 181,069.83 and 36,473.18

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Solution

The fourth proportional to 120,712.32, 181,069.83 and 36,473.18 is: 54,710.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,712.32 : 181,069.83 = 36,473.18 : x
  2. Step 2: Convert to fraction form
    120,712.32/181,069.83 = 36,473.18/x
  3. Step 3: Cross multiply
    120,712.32x = 181,069.83 × 36,473.18
  4. Step 4: Simplify right side
    120,712.32x = 6,604,191,596.81
  5. Step 5: Solve for x
    x = 6,604,191,596.81/120,712.32
  6. Step 6: Final answer
    x = 54,710.17

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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.