Home / 97,122.85-145,645.98-47,188.15

Finding the Fourth Proportional to 97,122.85, 145,645.98 and 47,188.15

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Solution

The fourth proportional to 97,122.85, 145,645.98 and 47,188.15 is: 70,763.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,122.85 : 145,645.98 = 47,188.15 : x
  2. Step 2: Convert to fraction form
    97,122.85/145,645.98 = 47,188.15/x
  3. Step 3: Cross multiply
    97,122.85x = 145,645.98 × 47,188.15
  4. Step 4: Simplify right side
    97,122.85x = 6,872,764,351.14
  5. Step 5: Solve for x
    x = 6,872,764,351.14/97,122.85
  6. Step 6: Final answer
    x = 70,763.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.