Home / 93,649.05-129,221.19-53,364.51

Finding the Fourth Proportional to 93,649.05, 129,221.19 and 53,364.51

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Solution

The fourth proportional to 93,649.05, 129,221.19 and 53,364.51 is: 73,634.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,649.05 : 129,221.19 = 53,364.51 : x
  2. Step 2: Convert to fraction form
    93,649.05/129,221.19 = 53,364.51/x
  3. Step 3: Cross multiply
    93,649.05x = 129,221.19 × 53,364.51
  4. Step 4: Simplify right side
    93,649.05x = 6,895,825,485.97
  5. Step 5: Solve for x
    x = 6,895,825,485.97/93,649.05
  6. Step 6: Final answer
    x = 73,634.76

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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.