Home / 117,927.02-162,737.87-64,212.02

Finding the Fourth Proportional to 117,927.02, 162,737.87 and 64,212.02

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Solution

The fourth proportional to 117,927.02, 162,737.87 and 64,212.02 is: 88,611.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,927.02 : 162,737.87 = 64,212.02 : x
  2. Step 2: Convert to fraction form
    117,927.02/162,737.87 = 64,212.02/x
  3. Step 3: Cross multiply
    117,927.02x = 162,737.87 × 64,212.02
  4. Step 4: Simplify right side
    117,927.02x = 10,449,727,363.20
  5. Step 5: Solve for x
    x = 10,449,727,363.20/117,927.02
  6. Step 6: Final answer
    x = 88,611.82

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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.