Home / 90,583.70-135,837.50-34,392.83

Finding the Fourth Proportional to 90,583.70, 135,837.50 and 34,392.83

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Solution

The fourth proportional to 90,583.70, 135,837.50 and 34,392.83 is: 51,574.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,583.70 : 135,837.50 = 34,392.83 : x
  2. Step 2: Convert to fraction form
    90,583.70/135,837.50 = 34,392.83/x
  3. Step 3: Cross multiply
    90,583.70x = 135,837.50 × 34,392.83
  4. Step 4: Simplify right side
    90,583.70x = 4,671,835,193.97
  5. Step 5: Solve for x
    x = 4,671,835,193.97/90,583.70
  6. Step 6: Final answer
    x = 51,574.79

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1.5x scale

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.