Home / 97,116.57-145,811.15-49,765.69

Finding the Fourth Proportional to 97,116.57, 145,811.15 and 49,765.69

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Solution

The fourth proportional to 97,116.57, 145,811.15 and 49,765.69 is: 74,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,116.57 : 145,811.15 = 49,765.69 : x
  2. Step 2: Convert to fraction form
    97,116.57/145,811.15 = 49,765.69/x
  3. Step 3: Cross multiply
    97,116.57x = 145,811.15 × 49,765.69
  4. Step 4: Simplify right side
    97,116.57x = 7,256,392,489.44
  5. Step 5: Solve for x
    x = 7,256,392,489.44/97,116.57
  6. Step 6: Final answer
    x = 74,718.38

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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.