Home / 65,123.40-97,685.10-57,606.60

Finding the Fourth Proportional to 65,123.40, 97,685.10 and 57,606.60

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Solution

The fourth proportional to 65,123.40, 97,685.10 and 57,606.60 is: 86,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,123.40 : 97,685.10 = 57,606.60 : x
  2. Step 2: Convert to fraction form
    65,123.40/97,685.10 = 57,606.60/x
  3. Step 3: Cross multiply
    65,123.40x = 97,685.10 × 57,606.60
  4. Step 4: Simplify right side
    65,123.40x = 5,627,306,481.66
  5. Step 5: Solve for x
    x = 5,627,306,481.66/65,123.40
  6. Step 6: Final answer
    x = 86,409.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.