Home / 85,826.75-118,448.21-48,108.29

Finding the Fourth Proportional to 85,826.75, 118,448.21 and 48,108.29

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Solution

The fourth proportional to 85,826.75, 118,448.21 and 48,108.29 is: 66,393.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,826.75 : 118,448.21 = 48,108.29 : x
  2. Step 2: Convert to fraction form
    85,826.75/118,448.21 = 48,108.29/x
  3. Step 3: Cross multiply
    85,826.75x = 118,448.21 × 48,108.29
  4. Step 4: Simplify right side
    85,826.75x = 5,698,340,596.12
  5. Step 5: Solve for x
    x = 5,698,340,596.12/85,826.75
  6. Step 6: Final answer
    x = 66,393.53

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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.