Home / 75,350.04-103,981-41,358.48

Finding the Fourth Proportional to 75,350.04, 103,981 and 41,358.48

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Solution

The fourth proportional to 75,350.04, 103,981 and 41,358.48 is: 57,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,350.04 : 103,981 = 41,358.48 : x
  2. Step 2: Convert to fraction form
    75,350.04/103,981 = 41,358.48/x
  3. Step 3: Cross multiply
    75,350.04x = 103,981 × 41,358.48
  4. Step 4: Simplify right side
    75,350.04x = 4,300,496,108.88
  5. Step 5: Solve for x
    x = 4,300,496,108.88/75,350.04
  6. Step 6: Final answer
    x = 57,073.57

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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.