Home / 80,754.50-111,436.64-44,455.16

Finding the Fourth Proportional to 80,754.50, 111,436.64 and 44,455.16

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Solution

The fourth proportional to 80,754.50, 111,436.64 and 44,455.16 is: 61,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,754.50 : 111,436.64 = 44,455.16 : x
  2. Step 2: Convert to fraction form
    80,754.50/111,436.64 = 44,455.16/x
  3. Step 3: Cross multiply
    80,754.50x = 111,436.64 × 44,455.16
  4. Step 4: Simplify right side
    80,754.50x = 4,953,933,438.79
  5. Step 5: Solve for x
    x = 4,953,933,438.79/80,754.50
  6. Step 6: Final answer
    x = 61,345.60

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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.