Home / 98,064.24-135,166.93-69,346.86

Finding the Fourth Proportional to 98,064.24, 135,166.93 and 69,346.86

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Solution

The fourth proportional to 98,064.24, 135,166.93 and 69,346.86 is: 95,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,064.24 : 135,166.93 = 69,346.86 : x
  2. Step 2: Convert to fraction form
    98,064.24/135,166.93 = 69,346.86/x
  3. Step 3: Cross multiply
    98,064.24x = 135,166.93 × 69,346.86
  4. Step 4: Simplify right side
    98,064.24x = 9,373,401,824.61
  5. Step 5: Solve for x
    x = 9,373,401,824.61/98,064.24
  6. Step 6: Final answer
    x = 95,584.30

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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.