Home / 103,412.23-155,121.53-32,337.45

Finding the Fourth Proportional to 103,412.23, 155,121.53 and 32,337.45

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Solution

The fourth proportional to 103,412.23, 155,121.53 and 32,337.45 is: 48,507.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,412.23 : 155,121.53 = 32,337.45 : x
  2. Step 2: Convert to fraction form
    103,412.23/155,121.53 = 32,337.45/x
  3. Step 3: Cross multiply
    103,412.23x = 155,121.53 × 32,337.45
  4. Step 4: Simplify right side
    103,412.23x = 5,016,234,558.61
  5. Step 5: Solve for x
    x = 5,016,234,558.61/103,412.23
  6. Step 6: Final answer
    x = 48,507.17

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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.