Home / 66,150.40-99,225.60-41,267.20

Finding the Fourth Proportional to 66,150.40, 99,225.60 and 41,267.20

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Solution

The fourth proportional to 66,150.40, 99,225.60 and 41,267.20 is: 61,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,150.40 : 99,225.60 = 41,267.20 : x
  2. Step 2: Convert to fraction form
    66,150.40/99,225.60 = 41,267.20/x
  3. Step 3: Cross multiply
    66,150.40x = 99,225.60 × 41,267.20
  4. Step 4: Simplify right side
    66,150.40x = 4,094,762,680.32
  5. Step 5: Solve for x
    x = 4,094,762,680.32/66,150.40
  6. Step 6: Final answer
    x = 61,900.80

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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.