Home / 66,748.10-100,137.14-22,373.72

Finding the Fourth Proportional to 66,748.10, 100,137.14 and 22,373.72

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Solution

The fourth proportional to 66,748.10, 100,137.14 and 22,373.72 is: 33,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,748.10 : 100,137.14 = 22,373.72 : x
  2. Step 2: Convert to fraction form
    66,748.10/100,137.14 = 22,373.72/x
  3. Step 3: Cross multiply
    66,748.10x = 100,137.14 × 22,373.72
  4. Step 4: Simplify right side
    66,748.10x = 2,240,439,831.28
  5. Step 5: Solve for x
    x = 2,240,439,831.28/66,748.10
  6. Step 6: Final answer
    x = 33,565.60

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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.