Home / 82,353.30-113,562.09-70,456.02

Finding the Fourth Proportional to 82,353.30, 113,562.09 and 70,456.02

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Solution

The fourth proportional to 82,353.30, 113,562.09 and 70,456.02 is: 97,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,353.30 : 113,562.09 = 70,456.02 : x
  2. Step 2: Convert to fraction form
    82,353.30/113,562.09 = 70,456.02/x
  3. Step 3: Cross multiply
    82,353.30x = 113,562.09 × 70,456.02
  4. Step 4: Simplify right side
    82,353.30x = 8,001,132,884.28
  5. Step 5: Solve for x
    x = 8,001,132,884.28/82,353.30
  6. Step 6: Final answer
    x = 97,156.19

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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.