Home / 92,958.08-128,281.88-50,516.56

Finding the Fourth Proportional to 92,958.08, 128,281.88 and 50,516.56

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Solution

The fourth proportional to 92,958.08, 128,281.88 and 50,516.56 is: 69,712.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,958.08 : 128,281.88 = 50,516.56 : x
  2. Step 2: Convert to fraction form
    92,958.08/128,281.88 = 50,516.56/x
  3. Step 3: Cross multiply
    92,958.08x = 128,281.88 × 50,516.56
  4. Step 4: Simplify right side
    92,958.08x = 6,480,359,287.93
  5. Step 5: Solve for x
    x = 6,480,359,287.93/92,958.08
  6. Step 6: Final answer
    x = 69,712.71

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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.