Home / 70,372.12-105,531.72-22,976.16

Finding the Fourth Proportional to 70,372.12, 105,531.72 and 22,976.16

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Solution

The fourth proportional to 70,372.12, 105,531.72 and 22,976.16 is: 34,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,372.12 : 105,531.72 = 22,976.16 : x
  2. Step 2: Convert to fraction form
    70,372.12/105,531.72 = 22,976.16/x
  3. Step 3: Cross multiply
    70,372.12x = 105,531.72 × 22,976.16
  4. Step 4: Simplify right side
    70,372.12x = 2,424,713,683.80
  5. Step 5: Solve for x
    x = 2,424,713,683.80/70,372.12
  6. Step 6: Final answer
    x = 34,455.60

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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.