Home / 94,743.10-142,031-38,630.14

Finding the Fourth Proportional to 94,743.10, 142,031 and 38,630.14

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Solution

The fourth proportional to 94,743.10, 142,031 and 38,630.14 is: 57,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,743.10 : 142,031 = 38,630.14 : x
  2. Step 2: Convert to fraction form
    94,743.10/142,031 = 38,630.14/x
  3. Step 3: Cross multiply
    94,743.10x = 142,031 × 38,630.14
  4. Step 4: Simplify right side
    94,743.10x = 5,486,677,414.34
  5. Step 5: Solve for x
    x = 5,486,677,414.34/94,743.10
  6. Step 6: Final answer
    x = 57,911.10

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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.