Home / 75,151.49-103,707.18-41,160.03

Finding the Fourth Proportional to 75,151.49, 103,707.18 and 41,160.03

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Solution

The fourth proportional to 75,151.49, 103,707.18 and 41,160.03 is: 56,799.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,151.49 : 103,707.18 = 41,160.03 : x
  2. Step 2: Convert to fraction form
    75,151.49/103,707.18 = 41,160.03/x
  3. Step 3: Cross multiply
    75,151.49x = 103,707.18 × 41,160.03
  4. Step 4: Simplify right side
    75,151.49x = 4,268,590,640.02
  5. Step 5: Solve for x
    x = 4,268,590,640.02/75,151.49
  6. Step 6: Final answer
    x = 56,799.82

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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.