Home / 75,454.88-104,136.78-45,256.82

Finding the Fourth Proportional to 75,454.88, 104,136.78 and 45,256.82

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Solution

The fourth proportional to 75,454.88, 104,136.78 and 45,256.82 is: 62,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,454.88 : 104,136.78 = 45,256.82 : x
  2. Step 2: Convert to fraction form
    75,454.88/104,136.78 = 45,256.82/x
  3. Step 3: Cross multiply
    75,454.88x = 104,136.78 × 45,256.82
  4. Step 4: Simplify right side
    75,454.88x = 4,712,899,507.84
  5. Step 5: Solve for x
    x = 4,712,899,507.84/75,454.88
  6. Step 6: Final answer
    x = 62,459.84

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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.