Home / 93,636.09-129,217.78-51,194.61

Finding the Fourth Proportional to 93,636.09, 129,217.78 and 51,194.61

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Solution

The fourth proportional to 93,636.09, 129,217.78 and 51,194.61 is: 70,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,636.09 : 129,217.78 = 51,194.61 : x
  2. Step 2: Convert to fraction form
    93,636.09/129,217.78 = 51,194.61/x
  3. Step 3: Cross multiply
    93,636.09x = 129,217.78 × 51,194.61
  4. Step 4: Simplify right side
    93,636.09x = 6,615,253,852.17
  5. Step 5: Solve for x
    x = 6,615,253,852.17/93,636.09
  6. Step 6: Final answer
    x = 70,648.55

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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.