Home / 88,609.57-122,288.48-50,381.12

Finding the Fourth Proportional to 88,609.57, 122,288.48 and 50,381.12

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Solution

The fourth proportional to 88,609.57, 122,288.48 and 50,381.12 is: 69,530.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,609.57 : 122,288.48 = 50,381.12 : x
  2. Step 2: Convert to fraction form
    88,609.57/122,288.48 = 50,381.12/x
  3. Step 3: Cross multiply
    88,609.57x = 122,288.48 × 50,381.12
  4. Step 4: Simplify right side
    88,609.57x = 6,161,030,140.37
  5. Step 5: Solve for x
    x = 6,161,030,140.37/88,609.57
  6. Step 6: Final answer
    x = 69,530.07

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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.