Home / 117,934.81-162,754.05-64,220.74

Finding the Fourth Proportional to 117,934.81, 162,754.05 and 64,220.74

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Solution

The fourth proportional to 117,934.81, 162,754.05 and 64,220.74 is: 88,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,934.81 : 162,754.05 = 64,220.74 : x
  2. Step 2: Convert to fraction form
    117,934.81/162,754.05 = 64,220.74/x
  3. Step 3: Cross multiply
    117,934.81x = 162,754.05 × 64,220.74
  4. Step 4: Simplify right side
    117,934.81x = 10,452,185,529.00
  5. Step 5: Solve for x
    x = 10,452,185,529.00/117,934.81
  6. Step 6: Final answer
    x = 88,626.81

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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.