Home / 111,375.48-153,673.92-66,030.96

Finding the Fourth Proportional to 111,375.48, 153,673.92 and 66,030.96

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Solution

The fourth proportional to 111,375.48, 153,673.92 and 66,030.96 is: 91,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,375.48 : 153,673.92 = 66,030.96 : x
  2. Step 2: Convert to fraction form
    111,375.48/153,673.92 = 66,030.96/x
  3. Step 3: Cross multiply
    111,375.48x = 153,673.92 × 66,030.96
  4. Step 4: Simplify right side
    111,375.48x = 10,147,236,464.56
  5. Step 5: Solve for x
    x = 10,147,236,464.56/111,375.48
  6. Step 6: Final answer
    x = 91,108.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.