Home / 103,613.20-155,381.72-37,035.36

Finding the Fourth Proportional to 103,613.20, 155,381.72 and 37,035.36

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Solution

The fourth proportional to 103,613.20, 155,381.72 and 37,035.36 is: 55,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,613.20 : 155,381.72 = 37,035.36 : x
  2. Step 2: Convert to fraction form
    103,613.20/155,381.72 = 37,035.36/x
  3. Step 3: Cross multiply
    103,613.20x = 155,381.72 × 37,035.36
  4. Step 4: Simplify right side
    103,613.20x = 5,754,617,937.62
  5. Step 5: Solve for x
    x = 5,754,617,937.62/103,613.20
  6. Step 6: Final answer
    x = 55,539.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.