Home / 70,441.11-97,211.75-42,141.33

Finding the Fourth Proportional to 70,441.11, 97,211.75 and 42,141.33

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Solution

The fourth proportional to 70,441.11, 97,211.75 and 42,141.33 is: 58,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,441.11 : 97,211.75 = 42,141.33 : x
  2. Step 2: Convert to fraction form
    70,441.11/97,211.75 = 42,141.33/x
  3. Step 3: Cross multiply
    70,441.11x = 97,211.75 × 42,141.33
  4. Step 4: Simplify right side
    70,441.11x = 4,096,632,225.92
  5. Step 5: Solve for x
    x = 4,096,632,225.92/70,441.11
  6. Step 6: Final answer
    x = 58,156.84

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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.