Home / 63,412.39-87,426.12-54,555.04

Finding the Fourth Proportional to 63,412.39, 87,426.12 and 54,555.04

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Solution

The fourth proportional to 63,412.39, 87,426.12 and 54,555.04 is: 75,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,412.39 : 87,426.12 = 54,555.04 : x
  2. Step 2: Convert to fraction form
    63,412.39/87,426.12 = 54,555.04/x
  3. Step 3: Cross multiply
    63,412.39x = 87,426.12 × 54,555.04
  4. Step 4: Simplify right side
    63,412.39x = 4,769,535,473.64
  5. Step 5: Solve for x
    x = 4,769,535,473.64/63,412.39
  6. Step 6: Final answer
    x = 75,214.57

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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.