Home / 75,490.45-104,178.15-41,500.37

Finding the Fourth Proportional to 75,490.45, 104,178.15 and 41,500.37

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Solution

The fourth proportional to 75,490.45, 104,178.15 and 41,500.37 is: 57,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,490.45 : 104,178.15 = 41,500.37 : x
  2. Step 2: Convert to fraction form
    75,490.45/104,178.15 = 41,500.37/x
  3. Step 3: Cross multiply
    75,490.45x = 104,178.15 × 41,500.37
  4. Step 4: Simplify right side
    75,490.45x = 4,323,432,031.36
  5. Step 5: Solve for x
    x = 4,323,432,031.36/75,490.45
  6. Step 6: Final answer
    x = 57,271.25

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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.