Home / 103,997.12-156,012.02-44,849.60

Finding the Fourth Proportional to 103,997.12, 156,012.02 and 44,849.60

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Solution

The fourth proportional to 103,997.12, 156,012.02 and 44,849.60 is: 67,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,997.12 : 156,012.02 = 44,849.60 : x
  2. Step 2: Convert to fraction form
    103,997.12/156,012.02 = 44,849.60/x
  3. Step 3: Cross multiply
    103,997.12x = 156,012.02 × 44,849.60
  4. Step 4: Simplify right side
    103,997.12x = 6,997,076,692.19
  5. Step 5: Solve for x
    x = 6,997,076,692.19/103,997.12
  6. Step 6: Final answer
    x = 67,281.45

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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.