Home / 66,018.72-99,011.92-36,000.60

Finding the Fourth Proportional to 66,018.72, 99,011.92 and 36,000.60

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Solution

The fourth proportional to 66,018.72, 99,011.92 and 36,000.60 is: 53,992.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,018.72 : 99,011.92 = 36,000.60 : x
  2. Step 2: Convert to fraction form
    66,018.72/99,011.92 = 36,000.60/x
  3. Step 3: Cross multiply
    66,018.72x = 99,011.92 × 36,000.60
  4. Step 4: Simplify right side
    66,018.72x = 3,564,488,347.15
  5. Step 5: Solve for x
    x = 3,564,488,347.15/66,018.72
  6. Step 6: Final answer
    x = 53,992.09

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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.