Home / 66,003.23-91,051.21-47,151.29

Finding the Fourth Proportional to 66,003.23, 91,051.21 and 47,151.29

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Solution

The fourth proportional to 66,003.23, 91,051.21 and 47,151.29 is: 65,045.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,003.23 : 91,051.21 = 47,151.29 : x
  2. Step 2: Convert to fraction form
    66,003.23/91,051.21 = 47,151.29/x
  3. Step 3: Cross multiply
    66,003.23x = 91,051.21 × 47,151.29
  4. Step 4: Simplify right side
    66,003.23x = 4,293,182,007.56
  5. Step 5: Solve for x
    x = 4,293,182,007.56/66,003.23
  6. Step 6: Final answer
    x = 65,045.03

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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.