Home / 93,869.48-129,540.06-51,427.88

Finding the Fourth Proportional to 93,869.48, 129,540.06 and 51,427.88

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Solution

The fourth proportional to 93,869.48, 129,540.06 and 51,427.88 is: 70,970.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,869.48 : 129,540.06 = 51,427.88 : x
  2. Step 2: Convert to fraction form
    93,869.48/129,540.06 = 51,427.88/x
  3. Step 3: Cross multiply
    93,869.48x = 129,540.06 × 51,427.88
  4. Step 4: Simplify right side
    93,869.48x = 6,661,970,660.87
  5. Step 5: Solve for x
    x = 6,661,970,660.87/93,869.48
  6. Step 6: Final answer
    x = 70,970.57

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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.