Home / 75,490.43-104,178.10-41,500.34

Finding the Fourth Proportional to 75,490.43, 104,178.10 and 41,500.34

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Solution

The fourth proportional to 75,490.43, 104,178.10 and 41,500.34 is: 57,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,490.43 : 104,178.10 = 41,500.34 : x
  2. Step 2: Convert to fraction form
    75,490.43/104,178.10 = 41,500.34/x
  3. Step 3: Cross multiply
    75,490.43x = 104,178.10 × 41,500.34
  4. Step 4: Simplify right side
    75,490.43x = 4,323,426,934.75
  5. Step 5: Solve for x
    x = 4,323,426,934.75/75,490.43
  6. Step 6: Final answer
    x = 57,271.20

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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.