Home / 54,077.12-74,613.64-32,855.12

Finding the Fourth Proportional to 54,077.12, 74,613.64 and 32,855.12

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Solution

The fourth proportional to 54,077.12, 74,613.64 and 32,855.12 is: 45,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,077.12 : 74,613.64 = 32,855.12 : x
  2. Step 2: Convert to fraction form
    54,077.12/74,613.64 = 32,855.12/x
  3. Step 3: Cross multiply
    54,077.12x = 74,613.64 × 32,855.12
  4. Step 4: Simplify right side
    54,077.12x = 2,451,440,095.84
  5. Step 5: Solve for x
    x = 2,451,440,095.84/54,077.12
  6. Step 6: Final answer
    x = 45,332.30

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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.