Home / 95,421.71-143,155.05-28,862.39

Finding the Fourth Proportional to 95,421.71, 143,155.05 and 28,862.39

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Solution

The fourth proportional to 95,421.71, 143,155.05 and 28,862.39 is: 43,300.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,421.71 : 143,155.05 = 28,862.39 : x
  2. Step 2: Convert to fraction form
    95,421.71/143,155.05 = 28,862.39/x
  3. Step 3: Cross multiply
    95,421.71x = 143,155.05 × 28,862.39
  4. Step 4: Simplify right side
    95,421.71x = 4,131,797,133.22
  5. Step 5: Solve for x
    x = 4,131,797,133.22/95,421.71
  6. Step 6: Final answer
    x = 43,300.39

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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.