Home / 66,024.18-91,111.64-40,173.03

Finding the Fourth Proportional to 66,024.18, 91,111.64 and 40,173.03

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Solution

The fourth proportional to 66,024.18, 91,111.64 and 40,173.03 is: 55,437.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,024.18 : 91,111.64 = 40,173.03 : x
  2. Step 2: Convert to fraction form
    66,024.18/91,111.64 = 40,173.03/x
  3. Step 3: Cross multiply
    66,024.18x = 91,111.64 × 40,173.03
  4. Step 4: Simplify right side
    66,024.18x = 3,660,230,446.20
  5. Step 5: Solve for x
    x = 3,660,230,446.20/66,024.18
  6. Step 6: Final answer
    x = 55,437.73

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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.