Home / 100,549.22-150,720.14-45,184.10

Finding the Fourth Proportional to 100,549.22, 150,720.14 and 45,184.10

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Solution

The fourth proportional to 100,549.22, 150,720.14 and 45,184.10 is: 67,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,549.22 : 150,720.14 = 45,184.10 : x
  2. Step 2: Convert to fraction form
    100,549.22/150,720.14 = 45,184.10/x
  3. Step 3: Cross multiply
    100,549.22x = 150,720.14 × 45,184.10
  4. Step 4: Simplify right side
    100,549.22x = 6,810,153,877.77
  5. Step 5: Solve for x
    x = 6,810,153,877.77/100,549.22
  6. Step 6: Final answer
    x = 67,729.55

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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.