Home / 80,950.08-121,439.74-36,597.72

Finding the Fourth Proportional to 80,950.08, 121,439.74 and 36,597.72

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Solution

The fourth proportional to 80,950.08, 121,439.74 and 36,597.72 is: 54,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,950.08 : 121,439.74 = 36,597.72 : x
  2. Step 2: Convert to fraction form
    80,950.08/121,439.74 = 36,597.72/x
  3. Step 3: Cross multiply
    80,950.08x = 121,439.74 × 36,597.72
  4. Step 4: Simplify right side
    80,950.08x = 4,444,417,601.39
  5. Step 5: Solve for x
    x = 4,444,417,601.39/80,950.08
  6. Step 6: Final answer
    x = 54,903.19

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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.