Home / 103,515.03-155,305.35-36,953.69

Finding the Fourth Proportional to 103,515.03, 155,305.35 and 36,953.69

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Solution

The fourth proportional to 103,515.03, 155,305.35 and 36,953.69 is: 55,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,515.03 : 155,305.35 = 36,953.69 : x
  2. Step 2: Convert to fraction form
    103,515.03/155,305.35 = 36,953.69/x
  3. Step 3: Cross multiply
    103,515.03x = 155,305.35 × 36,953.69
  4. Step 4: Simplify right side
    103,515.03x = 5,739,105,759.24
  5. Step 5: Solve for x
    x = 5,739,105,759.24/103,515.03
  6. Step 6: Final answer
    x = 55,442.25

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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.