Home / 85,761.21-118,350.81-48,035.46

Finding the Fourth Proportional to 85,761.21, 118,350.81 and 48,035.46

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Solution

The fourth proportional to 85,761.21, 118,350.81 and 48,035.46 is: 66,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,761.21 : 118,350.81 = 48,035.46 : x
  2. Step 2: Convert to fraction form
    85,761.21/118,350.81 = 48,035.46/x
  3. Step 3: Cross multiply
    85,761.21x = 118,350.81 × 48,035.46
  4. Step 4: Simplify right side
    85,761.21x = 5,685,035,599.72
  5. Step 5: Solve for x
    x = 5,685,035,599.72/85,761.21
  6. Step 6: Final answer
    x = 66,289.13

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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.