Home / 75,256.46-103,764.13-48,400.10

Finding the Fourth Proportional to 75,256.46, 103,764.13 and 48,400.10

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Solution

The fourth proportional to 75,256.46, 103,764.13 and 48,400.10 is: 66,734.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,256.46 : 103,764.13 = 48,400.10 : x
  2. Step 2: Convert to fraction form
    75,256.46/103,764.13 = 48,400.10/x
  3. Step 3: Cross multiply
    75,256.46x = 103,764.13 × 48,400.10
  4. Step 4: Simplify right side
    75,256.46x = 5,022,193,628.59
  5. Step 5: Solve for x
    x = 5,022,193,628.59/75,256.46
  6. Step 6: Final answer
    x = 66,734.39

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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.