Home / 70,465.24-97,242.42-42,163.96

Finding the Fourth Proportional to 70,465.24, 97,242.42 and 42,163.96

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Solution

The fourth proportional to 70,465.24, 97,242.42 and 42,163.96 is: 58,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,465.24 : 97,242.42 = 42,163.96 : x
  2. Step 2: Convert to fraction form
    70,465.24/97,242.42 = 42,163.96/x
  3. Step 3: Cross multiply
    70,465.24x = 97,242.42 × 42,163.96
  4. Step 4: Simplify right side
    70,465.24x = 4,100,125,507.18
  5. Step 5: Solve for x
    x = 4,100,125,507.18/70,465.24
  6. Step 6: Final answer
    x = 58,186.50

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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.