Home / 100,549.17-150,823.62-25,669.32

Finding the Fourth Proportional to 100,549.17, 150,823.62 and 25,669.32

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Solution

The fourth proportional to 100,549.17, 150,823.62 and 25,669.32 is: 38,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,549.17 : 150,823.62 = 25,669.32 : x
  2. Step 2: Convert to fraction form
    100,549.17/150,823.62 = 25,669.32/x
  3. Step 3: Cross multiply
    100,549.17x = 150,823.62 × 25,669.32
  4. Step 4: Simplify right side
    100,549.17x = 3,871,539,765.34
  5. Step 5: Solve for x
    x = 3,871,539,765.34/100,549.17
  6. Step 6: Final answer
    x = 38,503.95

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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.