Home / 75,151.72-103,710.93-41,161.64

Finding the Fourth Proportional to 75,151.72, 103,710.93 and 41,161.64

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Solution

The fourth proportional to 75,151.72, 103,710.93 and 41,161.64 is: 56,803.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,151.72 : 103,710.93 = 41,161.64 : x
  2. Step 2: Convert to fraction form
    75,151.72/103,710.93 = 41,161.64/x
  3. Step 3: Cross multiply
    75,151.72x = 103,710.93 × 41,161.64
  4. Step 4: Simplify right side
    75,151.72x = 4,268,911,523.35
  5. Step 5: Solve for x
    x = 4,268,911,523.35/75,151.72
  6. Step 6: Final answer
    x = 56,803.91

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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.