Home / 117,869.58-162,658.80-64,154.52

Finding the Fourth Proportional to 117,869.58, 162,658.80 and 64,154.52

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Solution

The fourth proportional to 117,869.58, 162,658.80 and 64,154.52 is: 88,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,869.58 : 162,658.80 = 64,154.52 : x
  2. Step 2: Convert to fraction form
    117,869.58/162,658.80 = 64,154.52/x
  3. Step 3: Cross multiply
    117,869.58x = 162,658.80 × 64,154.52
  4. Step 4: Simplify right side
    117,869.58x = 10,435,297,237.78
  5. Step 5: Solve for x
    x = 10,435,297,237.78/117,869.58
  6. Step 6: Final answer
    x = 88,532.57

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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.