Home / 111,020.10-166,531.74-36,140.64

Finding the Fourth Proportional to 111,020.10, 166,531.74 and 36,140.64

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Solution

The fourth proportional to 111,020.10, 166,531.74 and 36,140.64 is: 54,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,020.10 : 166,531.74 = 36,140.64 : x
  2. Step 2: Convert to fraction form
    111,020.10/166,531.74 = 36,140.64/x
  3. Step 3: Cross multiply
    111,020.10x = 166,531.74 × 36,140.64
  4. Step 4: Simplify right side
    111,020.10x = 6,018,563,663.91
  5. Step 5: Solve for x
    x = 6,018,563,663.91/111,020.10
  6. Step 6: Final answer
    x = 54,211.48

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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.