Home / 103,001.38-154,463.19-47,558.50

Finding the Fourth Proportional to 103,001.38, 154,463.19 and 47,558.50

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Solution

The fourth proportional to 103,001.38, 154,463.19 and 47,558.50 is: 71,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,001.38 : 154,463.19 = 47,558.50 : x
  2. Step 2: Convert to fraction form
    103,001.38/154,463.19 = 47,558.50/x
  3. Step 3: Cross multiply
    103,001.38x = 154,463.19 × 47,558.50
  4. Step 4: Simplify right side
    103,001.38x = 7,346,037,621.62
  5. Step 5: Solve for x
    x = 7,346,037,621.62/103,001.38
  6. Step 6: Final answer
    x = 71,319.80

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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.