Home / 45,318.96-67,985.36-23,120.23

Finding the Fourth Proportional to 45,318.96, 67,985.36 and 23,120.23

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Solution

The fourth proportional to 45,318.96, 67,985.36 and 23,120.23 is: 34,683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,318.96 : 67,985.36 = 23,120.23 : x
  2. Step 2: Convert to fraction form
    45,318.96/67,985.36 = 23,120.23/x
  3. Step 3: Cross multiply
    45,318.96x = 67,985.36 × 23,120.23
  4. Step 4: Simplify right side
    45,318.96x = 1,571,837,159.83
  5. Step 5: Solve for x
    x = 1,571,837,159.83/45,318.96
  6. Step 6: Final answer
    x = 34,683.88

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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.