Home / 103,723.80-155,528.10-41,323.80

Finding the Fourth Proportional to 103,723.80, 155,528.10 and 41,323.80

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Solution

The fourth proportional to 103,723.80, 155,528.10 and 41,323.80 is: 61,962.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,723.80 : 155,528.10 = 41,323.80 : x
  2. Step 2: Convert to fraction form
    103,723.80/155,528.10 = 41,323.80/x
  3. Step 3: Cross multiply
    103,723.80x = 155,528.10 × 41,323.80
  4. Step 4: Simplify right side
    103,723.80x = 6,427,012,098.78
  5. Step 5: Solve for x
    x = 6,427,012,098.78/103,723.80
  6. Step 6: Final answer
    x = 61,962.75

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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.