Home / 111,040.10-166,502.55-40,883.30

Finding the Fourth Proportional to 111,040.10, 166,502.55 and 40,883.30

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Solution

The fourth proportional to 111,040.10, 166,502.55 and 40,883.30 is: 61,303.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,040.10 : 166,502.55 = 40,883.30 : x
  2. Step 2: Convert to fraction form
    111,040.10/166,502.55 = 40,883.30/x
  3. Step 3: Cross multiply
    111,040.10x = 166,502.55 × 40,883.30
  4. Step 4: Simplify right side
    111,040.10x = 6,807,173,702.42
  5. Step 5: Solve for x
    x = 6,807,173,702.42/111,040.10
  6. Step 6: Final answer
    x = 61,303.74

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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.