Home / 93,961.71-129,667.10-51,520.95

Finding the Fourth Proportional to 93,961.71, 129,667.10 and 51,520.95

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Solution

The fourth proportional to 93,961.71, 129,667.10 and 51,520.95 is: 71,098.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,961.71 : 129,667.10 = 51,520.95 : x
  2. Step 2: Convert to fraction form
    93,961.71/129,667.10 = 51,520.95/x
  3. Step 3: Cross multiply
    93,961.71x = 129,667.10 × 51,520.95
  4. Step 4: Simplify right side
    93,961.71x = 6,680,571,918.14
  5. Step 5: Solve for x
    x = 6,680,571,918.14/93,961.71
  6. Step 6: Final answer
    x = 71,098.88

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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.