Home / 85,826.88-118,439.28-48,100.32

Finding the Fourth Proportional to 85,826.88, 118,439.28 and 48,100.32

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Solution

The fourth proportional to 85,826.88, 118,439.28 and 48,100.32 is: 66,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,826.88 : 118,439.28 = 48,100.32 : x
  2. Step 2: Convert to fraction form
    85,826.88/118,439.28 = 48,100.32/x
  3. Step 3: Cross multiply
    85,826.88x = 118,439.28 × 48,100.32
  4. Step 4: Simplify right side
    85,826.88x = 5,696,967,268.57
  5. Step 5: Solve for x
    x = 5,696,967,268.57/85,826.88
  6. Step 6: Final answer
    x = 66,377.42

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1.5x scale

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.