Home / 105,487.02-158,082.84-75,765.69

Finding the Fourth Proportional to 105,487.02, 158,082.84 and 75,765.69

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Solution

The fourth proportional to 105,487.02, 158,082.84 and 75,765.69 is: 113,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,487.02 : 158,082.84 = 75,765.69 : x
  2. Step 2: Convert to fraction form
    105,487.02/158,082.84 = 75,765.69/x
  3. Step 3: Cross multiply
    105,487.02x = 158,082.84 × 75,765.69
  4. Step 4: Simplify right side
    105,487.02x = 11,977,255,449.76
  5. Step 5: Solve for x
    x = 11,977,255,449.76/105,487.02
  6. Step 6: Final answer
    x = 113,542.46

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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.