Home / 55,399.19-76,451.81-30,248.69

Finding the Fourth Proportional to 55,399.19, 76,451.81 and 30,248.69

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Solution

The fourth proportional to 55,399.19, 76,451.81 and 30,248.69 is: 41,743.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,399.19 : 76,451.81 = 30,248.69 : x
  2. Step 2: Convert to fraction form
    55,399.19/76,451.81 = 30,248.69/x
  3. Step 3: Cross multiply
    55,399.19x = 76,451.81 × 30,248.69
  4. Step 4: Simplify right side
    55,399.19x = 2,312,566,567.13
  5. Step 5: Solve for x
    x = 2,312,566,567.13/55,399.19
  6. Step 6: Final answer
    x = 41,743.69

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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.