Home / 70,353.03-97,092.29-40,139.02

Finding the Fourth Proportional to 70,353.03, 97,092.29 and 40,139.02

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Solution

The fourth proportional to 70,353.03, 97,092.29 and 40,139.02 is: 55,394.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,353.03 : 97,092.29 = 40,139.02 : x
  2. Step 2: Convert to fraction form
    70,353.03/97,092.29 = 40,139.02/x
  3. Step 3: Cross multiply
    70,353.03x = 97,092.29 × 40,139.02
  4. Step 4: Simplify right side
    70,353.03x = 3,897,189,227.77
  5. Step 5: Solve for x
    x = 3,897,189,227.77/70,353.03
  6. Step 6: Final answer
    x = 55,394.76

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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.