Home / 70,553.14-97,365.18-40,343.38

Finding the Fourth Proportional to 70,553.14, 97,365.18 and 40,343.38

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Solution

The fourth proportional to 70,553.14, 97,365.18 and 40,343.38 is: 55,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,553.14 : 97,365.18 = 40,343.38 : x
  2. Step 2: Convert to fraction form
    70,553.14/97,365.18 = 40,343.38/x
  3. Step 3: Cross multiply
    70,553.14x = 97,365.18 × 40,343.38
  4. Step 4: Simplify right side
    70,553.14x = 3,928,040,455.51
  5. Step 5: Solve for x
    x = 3,928,040,455.51/70,553.14
  6. Step 6: Final answer
    x = 55,674.92

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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.