Home / 66,456.86-99,614.21-33,111.18

Finding the Fourth Proportional to 66,456.86, 99,614.21 and 33,111.18

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Solution

The fourth proportional to 66,456.86, 99,614.21 and 33,111.18 is: 49,631.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,456.86 : 99,614.21 = 33,111.18 : x
  2. Step 2: Convert to fraction form
    66,456.86/99,614.21 = 33,111.18/x
  3. Step 3: Cross multiply
    66,456.86x = 99,614.21 × 33,111.18
  4. Step 4: Simplify right side
    66,456.86x = 3,298,343,872.31
  5. Step 5: Solve for x
    x = 3,298,343,872.31/66,456.86
  6. Step 6: Final answer
    x = 49,631.36

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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.