Home / 55,446.12-76,515.84-30,296.16

Finding the Fourth Proportional to 55,446.12, 76,515.84 and 30,296.16

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Solution

The fourth proportional to 55,446.12, 76,515.84 and 30,296.16 is: 41,808.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,446.12 : 76,515.84 = 30,296.16 : x
  2. Step 2: Convert to fraction form
    55,446.12/76,515.84 = 30,296.16/x
  3. Step 3: Cross multiply
    55,446.12x = 76,515.84 × 30,296.16
  4. Step 4: Simplify right side
    55,446.12x = 2,318,136,131.17
  5. Step 5: Solve for x
    x = 2,318,136,131.17/55,446.12
  6. Step 6: Final answer
    x = 41,808.81

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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.