Home / 97,225.30-145,874.40-38,103.40

Finding the Fourth Proportional to 97,225.30, 145,874.40 and 38,103.40

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Solution

The fourth proportional to 97,225.30, 145,874.40 and 38,103.40 is: 57,169.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,225.30 : 145,874.40 = 38,103.40 : x
  2. Step 2: Convert to fraction form
    97,225.30/145,874.40 = 38,103.40/x
  3. Step 3: Cross multiply
    97,225.30x = 145,874.40 × 38,103.40
  4. Step 4: Simplify right side
    97,225.30x = 5,558,310,612.96
  5. Step 5: Solve for x
    x = 5,558,310,612.96/97,225.30
  6. Step 6: Final answer
    x = 57,169.39

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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.