Home / 117,933.81-162,752.67-64,219.74

Finding the Fourth Proportional to 117,933.81, 162,752.67 and 64,219.74

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Solution

The fourth proportional to 117,933.81, 162,752.67 and 64,219.74 is: 88,625.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,933.81 : 162,752.67 = 64,219.74 : x
  2. Step 2: Convert to fraction form
    117,933.81/162,752.67 = 64,219.74/x
  3. Step 3: Cross multiply
    117,933.81x = 162,752.67 × 64,219.74
  4. Step 4: Simplify right side
    117,933.81x = 10,451,934,151.71
  5. Step 5: Solve for x
    x = 10,451,934,151.71/117,933.81
  6. Step 6: Final answer
    x = 88,625.43

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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.