Home / 94,788.11-142,142.47-38,590

Finding the Fourth Proportional to 94,788.11, 142,142.47 and 38,590

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Solution

The fourth proportional to 94,788.11, 142,142.47 and 38,590 is: 57,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,788.11 : 142,142.47 = 38,590 : x
  2. Step 2: Convert to fraction form
    94,788.11/142,142.47 = 38,590/x
  3. Step 3: Cross multiply
    94,788.11x = 142,142.47 × 38,590
  4. Step 4: Simplify right side
    94,788.11x = 5,485,277,917.30
  5. Step 5: Solve for x
    x = 5,485,277,917.30/94,788.11
  6. Step 6: Final answer
    x = 57,868.84

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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.