Home / 64,172.97-88,583.40-57,446.73

Finding the Fourth Proportional to 64,172.97, 88,583.40 and 57,446.73

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Solution

The fourth proportional to 64,172.97, 88,583.40 and 57,446.73 is: 79,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,172.97 : 88,583.40 = 57,446.73 : x
  2. Step 2: Convert to fraction form
    64,172.97/88,583.40 = 57,446.73/x
  3. Step 3: Cross multiply
    64,172.97x = 88,583.40 × 57,446.73
  4. Step 4: Simplify right side
    64,172.97x = 5,088,826,662.28
  5. Step 5: Solve for x
    x = 5,088,826,662.28/64,172.97
  6. Step 6: Final answer
    x = 79,298.60

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1.5x scale

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.