Home / 75,108.60-103,648.32-41,116.28

Finding the Fourth Proportional to 75,108.60, 103,648.32 and 41,116.28

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Solution

The fourth proportional to 75,108.60, 103,648.32 and 41,116.28 is: 56,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,108.60 : 103,648.32 = 41,116.28 : x
  2. Step 2: Convert to fraction form
    75,108.60/103,648.32 = 41,116.28/x
  3. Step 3: Cross multiply
    75,108.60x = 103,648.32 × 41,116.28
  4. Step 4: Simplify right side
    75,108.60x = 4,261,633,346.65
  5. Step 5: Solve for x
    x = 4,261,633,346.65/75,108.60
  6. Step 6: Final answer
    x = 56,739.62

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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.