Home / 93,940.38-129,645.90-51,507.18

Finding the Fourth Proportional to 93,940.38, 129,645.90 and 51,507.18

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Solution

The fourth proportional to 93,940.38, 129,645.90 and 51,507.18 is: 71,084.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,940.38 : 129,645.90 = 51,507.18 : x
  2. Step 2: Convert to fraction form
    93,940.38/129,645.90 = 51,507.18/x
  3. Step 3: Cross multiply
    93,940.38x = 129,645.90 × 51,507.18
  4. Step 4: Simplify right side
    93,940.38x = 6,677,694,707.56
  5. Step 5: Solve for x
    x = 6,677,694,707.56/93,940.38
  6. Step 6: Final answer
    x = 71,084.39

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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.