Home / 90,555.24-124,963.90-50,267.96

Finding the Fourth Proportional to 90,555.24, 124,963.90 and 50,267.96

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Solution

The fourth proportional to 90,555.24, 124,963.90 and 50,267.96 is: 69,368.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,555.24 : 124,963.90 = 50,267.96 : x
  2. Step 2: Convert to fraction form
    90,555.24/124,963.90 = 50,267.96/x
  3. Step 3: Cross multiply
    90,555.24x = 124,963.90 × 50,267.96
  4. Step 4: Simplify right side
    90,555.24x = 6,281,680,326.64
  5. Step 5: Solve for x
    x = 6,281,680,326.64/90,555.24
  6. Step 6: Final answer
    x = 69,368.49

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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.