Home / 88,681.88-122,370.23-50,446.28

Finding the Fourth Proportional to 88,681.88, 122,370.23 and 50,446.28

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Solution

The fourth proportional to 88,681.88, 122,370.23 and 50,446.28 is: 69,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,681.88 : 122,370.23 = 50,446.28 : x
  2. Step 2: Convert to fraction form
    88,681.88/122,370.23 = 50,446.28/x
  3. Step 3: Cross multiply
    88,681.88x = 122,370.23 × 50,446.28
  4. Step 4: Simplify right side
    88,681.88x = 6,173,123,318.29
  5. Step 5: Solve for x
    x = 6,173,123,318.29/88,681.88
  6. Step 6: Final answer
    x = 69,609.75

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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.