Home / 101,894.04-152,625.60-64,434.78

Finding the Fourth Proportional to 101,894.04, 152,625.60 and 64,434.78

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Solution

The fourth proportional to 101,894.04, 152,625.60 and 64,434.78 is: 96,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,894.04 : 152,625.60 = 64,434.78 : x
  2. Step 2: Convert to fraction form
    101,894.04/152,625.60 = 64,434.78/x
  3. Step 3: Cross multiply
    101,894.04x = 152,625.60 × 64,434.78
  4. Step 4: Simplify right side
    101,894.04x = 9,834,396,958.37
  5. Step 5: Solve for x
    x = 9,834,396,958.37/101,894.04
  6. Step 6: Final answer
    x = 96,515.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.