Home / 75,124.40-103,669.08-41,588.24

Finding the Fourth Proportional to 75,124.40, 103,669.08 and 41,588.24

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Solution

The fourth proportional to 75,124.40, 103,669.08 and 41,588.24 is: 57,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,124.40 : 103,669.08 = 41,588.24 : x
  2. Step 2: Convert to fraction form
    75,124.40/103,669.08 = 41,588.24/x
  3. Step 3: Cross multiply
    75,124.40x = 103,669.08 × 41,588.24
  4. Step 4: Simplify right side
    75,124.40x = 4,311,414,579.62
  5. Step 5: Solve for x
    x = 4,311,414,579.62/75,124.40
  6. Step 6: Final answer
    x = 57,390.34

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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.