Home / 85,841.56-118,462.26-48,115

Finding the Fourth Proportional to 85,841.56, 118,462.26 and 48,115

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Solution

The fourth proportional to 85,841.56, 118,462.26 and 48,115 is: 66,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,841.56 : 118,462.26 = 48,115 : x
  2. Step 2: Convert to fraction form
    85,841.56/118,462.26 = 48,115/x
  3. Step 3: Cross multiply
    85,841.56x = 118,462.26 × 48,115
  4. Step 4: Simplify right side
    85,841.56x = 5,699,811,639.90
  5. Step 5: Solve for x
    x = 5,699,811,639.90/85,841.56
  6. Step 6: Final answer
    x = 66,399.21

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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.