Home / 120,066.12-180,118.62-36,960.12

Finding the Fourth Proportional to 120,066.12, 180,118.62 and 36,960.12

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Solution

The fourth proportional to 120,066.12, 180,118.62 and 36,960.12 is: 55,446.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,066.12 : 180,118.62 = 36,960.12 : x
  2. Step 2: Convert to fraction form
    120,066.12/180,118.62 = 36,960.12/x
  3. Step 3: Cross multiply
    120,066.12x = 180,118.62 × 36,960.12
  4. Step 4: Simplify right side
    120,066.12x = 6,657,205,809.43
  5. Step 5: Solve for x
    x = 6,657,205,809.43/120,066.12
  6. Step 6: Final answer
    x = 55,446.16

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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.