Home / 90,555.40-124,960.44-50,267.17

Finding the Fourth Proportional to 90,555.40, 124,960.44 and 50,267.17

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Solution

The fourth proportional to 90,555.40, 124,960.44 and 50,267.17 is: 69,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,555.40 : 124,960.44 = 50,267.17 : x
  2. Step 2: Convert to fraction form
    90,555.40/124,960.44 = 50,267.17/x
  3. Step 3: Cross multiply
    90,555.40x = 124,960.44 × 50,267.17
  4. Step 4: Simplify right side
    90,555.40x = 6,281,407,680.75
  5. Step 5: Solve for x
    x = 6,281,407,680.75/90,555.40
  6. Step 6: Final answer
    x = 69,365.36

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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.