Home / 117,753.12-162,500.49-64,039.34

Finding the Fourth Proportional to 117,753.12, 162,500.49 and 64,039.34

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Solution

The fourth proportional to 117,753.12, 162,500.49 and 64,039.34 is: 88,374.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,753.12 : 162,500.49 = 64,039.34 : x
  2. Step 2: Convert to fraction form
    117,753.12/162,500.49 = 64,039.34/x
  3. Step 3: Cross multiply
    117,753.12x = 162,500.49 × 64,039.34
  4. Step 4: Simplify right side
    117,753.12x = 10,406,424,535.53
  5. Step 5: Solve for x
    x = 10,406,424,535.53/117,753.12
  6. Step 6: Final answer
    x = 88,374.94

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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.