Home / 76,666.11-115,017.63-32,305.56

Finding the Fourth Proportional to 76,666.11, 115,017.63 and 32,305.56

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Solution

The fourth proportional to 76,666.11, 115,017.63 and 32,305.56 is: 48,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,666.11 : 115,017.63 = 32,305.56 : x
  2. Step 2: Convert to fraction form
    76,666.11/115,017.63 = 32,305.56/x
  3. Step 3: Cross multiply
    76,666.11x = 115,017.63 × 32,305.56
  4. Step 4: Simplify right side
    76,666.11x = 3,715,708,947.02
  5. Step 5: Solve for x
    x = 3,715,708,947.02/76,666.11
  6. Step 6: Final answer
    x = 48,466.12

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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.