Home / 66,092.64-99,126.36-18,707.34

Finding the Fourth Proportional to 66,092.64, 99,126.36 and 18,707.34

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Solution

The fourth proportional to 66,092.64, 99,126.36 and 18,707.34 is: 28,057.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,092.64 : 99,126.36 = 18,707.34 : x
  2. Step 2: Convert to fraction form
    66,092.64/99,126.36 = 18,707.34/x
  3. Step 3: Cross multiply
    66,092.64x = 99,126.36 × 18,707.34
  4. Step 4: Simplify right side
    66,092.64x = 1,854,390,519.48
  5. Step 5: Solve for x
    x = 1,854,390,519.48/66,092.64
  6. Step 6: Final answer
    x = 28,057.44

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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.