Home / 103,624.23-155,518.35-40,474.60

Finding the Fourth Proportional to 103,624.23, 155,518.35 and 40,474.60

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Solution

The fourth proportional to 103,624.23, 155,518.35 and 40,474.60 is: 60,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,624.23 : 155,518.35 = 40,474.60 : x
  2. Step 2: Convert to fraction form
    103,624.23/155,518.35 = 40,474.60/x
  3. Step 3: Cross multiply
    103,624.23x = 155,518.35 × 40,474.60
  4. Step 4: Simplify right side
    103,624.23x = 6,294,543,008.91
  5. Step 5: Solve for x
    x = 6,294,543,008.91/103,624.23
  6. Step 6: Final answer
    x = 60,743.93

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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.