Home / 100,967.04-151,372.80-48,349.44

Finding the Fourth Proportional to 100,967.04, 151,372.80 and 48,349.44

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Solution

The fourth proportional to 100,967.04, 151,372.80 and 48,349.44 is: 72,486.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,967.04 : 151,372.80 = 48,349.44 : x
  2. Step 2: Convert to fraction form
    100,967.04/151,372.80 = 48,349.44/x
  3. Step 3: Cross multiply
    100,967.04x = 151,372.80 × 48,349.44
  4. Step 4: Simplify right side
    100,967.04x = 7,318,790,111.23
  5. Step 5: Solve for x
    x = 7,318,790,111.23/100,967.04
  6. Step 6: Final answer
    x = 72,486.92

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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.