Home / 103,672.03-155,515.10-35,255.72

Finding the Fourth Proportional to 103,672.03, 155,515.10 and 35,255.72

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Solution

The fourth proportional to 103,672.03, 155,515.10 and 35,255.72 is: 52,885.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,672.03 : 155,515.10 = 35,255.72 : x
  2. Step 2: Convert to fraction form
    103,672.03/155,515.10 = 35,255.72/x
  3. Step 3: Cross multiply
    103,672.03x = 155,515.10 × 35,255.72
  4. Step 4: Simplify right side
    103,672.03x = 5,482,796,821.37
  5. Step 5: Solve for x
    x = 5,482,796,821.37/103,672.03
  6. Step 6: Final answer
    x = 52,885.98

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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.