Home / 92,958.17-128,283.09-50,516.70

Finding the Fourth Proportional to 92,958.17, 128,283.09 and 50,516.70

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Solution

The fourth proportional to 92,958.17, 128,283.09 and 50,516.70 is: 69,713.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,958.17 : 128,283.09 = 50,516.70 : x
  2. Step 2: Convert to fraction form
    92,958.17/128,283.09 = 50,516.70/x
  3. Step 3: Cross multiply
    92,958.17x = 128,283.09 × 50,516.70
  4. Step 4: Simplify right side
    92,958.17x = 6,480,438,372.60
  5. Step 5: Solve for x
    x = 6,480,438,372.60/92,958.17
  6. Step 6: Final answer
    x = 69,713.49

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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.