Home / 90,840.83-125,366.23-50,554.46

Finding the Fourth Proportional to 90,840.83, 125,366.23 and 50,554.46

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Solution

The fourth proportional to 90,840.83, 125,366.23 and 50,554.46 is: 69,768.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,840.83 : 125,366.23 = 50,554.46 : x
  2. Step 2: Convert to fraction form
    90,840.83/125,366.23 = 50,554.46/x
  3. Step 3: Cross multiply
    90,840.83x = 125,366.23 × 50,554.46
  4. Step 4: Simplify right side
    90,840.83x = 6,337,822,246.92
  5. Step 5: Solve for x
    x = 6,337,822,246.92/90,840.83
  6. Step 6: Final answer
    x = 69,768.44

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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.