Home / 85,826.76-118,448.26-48,108.30

Finding the Fourth Proportional to 85,826.76, 118,448.26 and 48,108.30

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Solution

The fourth proportional to 85,826.76, 118,448.26 and 48,108.30 is: 66,393.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,826.76 : 118,448.26 = 48,108.30 : x
  2. Step 2: Convert to fraction form
    85,826.76/118,448.26 = 48,108.30/x
  3. Step 3: Cross multiply
    85,826.76x = 118,448.26 × 48,108.30
  4. Step 4: Simplify right side
    85,826.76x = 5,698,344,426.56
  5. Step 5: Solve for x
    x = 5,698,344,426.56/85,826.76
  6. Step 6: Final answer
    x = 66,393.56

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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.