Home / 94,780.25-142,131.31-38,582.33

Finding the Fourth Proportional to 94,780.25, 142,131.31 and 38,582.33

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Solution

The fourth proportional to 94,780.25, 142,131.31 and 38,582.33 is: 57,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,780.25 : 142,131.31 = 38,582.33 : x
  2. Step 2: Convert to fraction form
    94,780.25/142,131.31 = 38,582.33/x
  3. Step 3: Cross multiply
    94,780.25x = 142,131.31 × 38,582.33
  4. Step 4: Simplify right side
    94,780.25x = 5,483,756,298.64
  5. Step 5: Solve for x
    x = 5,483,756,298.64/94,780.25
  6. Step 6: Final answer
    x = 57,857.58

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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.