Home / 72,205.02-108,261.44-34,690.46

Finding the Fourth Proportional to 72,205.02, 108,261.44 and 34,690.46

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Solution

The fourth proportional to 72,205.02, 108,261.44 and 34,690.46 is: 52,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,205.02 : 108,261.44 = 34,690.46 : x
  2. Step 2: Convert to fraction form
    72,205.02/108,261.44 = 34,690.46/x
  3. Step 3: Cross multiply
    72,205.02x = 108,261.44 × 34,690.46
  4. Step 4: Simplify right side
    72,205.02x = 3,755,639,153.86
  5. Step 5: Solve for x
    x = 3,755,639,153.86/72,205.02
  6. Step 6: Final answer
    x = 52,013.55

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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.