Home / 73,121.25-109,681.89-26,374.12

Finding the Fourth Proportional to 73,121.25, 109,681.89 and 26,374.12

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Solution

The fourth proportional to 73,121.25, 109,681.89 and 26,374.12 is: 39,561.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,121.25 : 109,681.89 = 26,374.12 : x
  2. Step 2: Convert to fraction form
    73,121.25/109,681.89 = 26,374.12/x
  3. Step 3: Cross multiply
    73,121.25x = 109,681.89 × 26,374.12
  4. Step 4: Simplify right side
    73,121.25x = 2,892,763,328.69
  5. Step 5: Solve for x
    x = 2,892,763,328.69/73,121.25
  6. Step 6: Final answer
    x = 39,561.19

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1.5x scale

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.