Home / 55,291.69-76,302.48-30,141.19

Finding the Fourth Proportional to 55,291.69, 76,302.48 and 30,141.19

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Solution

The fourth proportional to 55,291.69, 76,302.48 and 30,141.19 is: 41,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,291.69 : 76,302.48 = 30,141.19 : x
  2. Step 2: Convert to fraction form
    55,291.69/76,302.48 = 30,141.19/x
  3. Step 3: Cross multiply
    55,291.69x = 76,302.48 × 30,141.19
  4. Step 4: Simplify right side
    55,291.69x = 2,299,847,547.15
  5. Step 5: Solve for x
    x = 2,299,847,547.15/55,291.69
  6. Step 6: Final answer
    x = 41,594.81

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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.