Home / 93,786.96-129,426-51,345.44

Finding the Fourth Proportional to 93,786.96, 129,426 and 51,345.44

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Solution

The fourth proportional to 93,786.96, 129,426 and 51,345.44 is: 70,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,786.96 : 129,426 = 51,345.44 : x
  2. Step 2: Convert to fraction form
    93,786.96/129,426 = 51,345.44/x
  3. Step 3: Cross multiply
    93,786.96x = 129,426 × 51,345.44
  4. Step 4: Simplify right side
    93,786.96x = 6,645,434,917.44
  5. Step 5: Solve for x
    x = 6,645,434,917.44/93,786.96
  6. Step 6: Final answer
    x = 70,856.70

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Double scale
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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.