Home / 89,765.16-134,686.71-48,163.56

Finding the Fourth Proportional to 89,765.16, 134,686.71 and 48,163.56

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Solution

The fourth proportional to 89,765.16, 134,686.71 and 48,163.56 is: 72,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,765.16 : 134,686.71 = 48,163.56 : x
  2. Step 2: Convert to fraction form
    89,765.16/134,686.71 = 48,163.56/x
  3. Step 3: Cross multiply
    89,765.16x = 134,686.71 × 48,163.56
  4. Step 4: Simplify right side
    89,765.16x = 6,486,991,438.29
  5. Step 5: Solve for x
    x = 6,486,991,438.29/89,765.16
  6. Step 6: Final answer
    x = 72,266.25

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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.