Home / 94,683.28-142,080-38,514.64

Finding the Fourth Proportional to 94,683.28, 142,080 and 38,514.64

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Solution

The fourth proportional to 94,683.28, 142,080 and 38,514.64 is: 57,794.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,683.28 : 142,080 = 38,514.64 : x
  2. Step 2: Convert to fraction form
    94,683.28/142,080 = 38,514.64/x
  3. Step 3: Cross multiply
    94,683.28x = 142,080 × 38,514.64
  4. Step 4: Simplify right side
    94,683.28x = 5,472,160,051.20
  5. Step 5: Solve for x
    x = 5,472,160,051.20/94,683.28
  6. Step 6: Final answer
    x = 57,794.37

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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.