Home / 85,844.71-118,465.32-48,118.96

Finding the Fourth Proportional to 85,844.71, 118,465.32 and 48,118.96

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Solution

The fourth proportional to 85,844.71, 118,465.32 and 48,118.96 is: 66,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,844.71 : 118,465.32 = 48,118.96 : x
  2. Step 2: Convert to fraction form
    85,844.71/118,465.32 = 48,118.96/x
  3. Step 3: Cross multiply
    85,844.71x = 118,465.32 × 48,118.96
  4. Step 4: Simplify right side
    85,844.71x = 5,700,427,161.55
  5. Step 5: Solve for x
    x = 5,700,427,161.55/85,844.71
  6. Step 6: Final answer
    x = 66,403.95

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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.