Home / 75,123.40-103,667.70-41,587.24

Finding the Fourth Proportional to 75,123.40, 103,667.70 and 41,587.24

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Solution

The fourth proportional to 75,123.40, 103,667.70 and 41,587.24 is: 57,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,123.40 : 103,667.70 = 41,587.24 : x
  2. Step 2: Convert to fraction form
    75,123.40/103,667.70 = 41,587.24/x
  3. Step 3: Cross multiply
    75,123.40x = 103,667.70 × 41,587.24
  4. Step 4: Simplify right side
    75,123.40x = 4,311,253,520.15
  5. Step 5: Solve for x
    x = 4,311,253,520.15/75,123.40
  6. Step 6: Final answer
    x = 57,388.96

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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.