Home / 80,466.02-111,026.94-48,636.72

Finding the Fourth Proportional to 80,466.02, 111,026.94 and 48,636.72

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Solution

The fourth proportional to 80,466.02, 111,026.94 and 48,636.72 is: 67,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,466.02 : 111,026.94 = 48,636.72 : x
  2. Step 2: Convert to fraction form
    80,466.02/111,026.94 = 48,636.72/x
  3. Step 3: Cross multiply
    80,466.02x = 111,026.94 × 48,636.72
  4. Step 4: Simplify right side
    80,466.02x = 5,399,986,193.24
  5. Step 5: Solve for x
    x = 5,399,986,193.24/80,466.02
  6. Step 6: Final answer
    x = 67,108.90

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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.