Home / 53,019.11-79,528.46-13,576.16

Finding the Fourth Proportional to 53,019.11, 79,528.46 and 13,576.16

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Solution

The fourth proportional to 53,019.11, 79,528.46 and 13,576.16 is: 20,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,019.11 : 79,528.46 = 13,576.16 : x
  2. Step 2: Convert to fraction form
    53,019.11/79,528.46 = 13,576.16/x
  3. Step 3: Cross multiply
    53,019.11x = 79,528.46 × 13,576.16
  4. Step 4: Simplify right side
    53,019.11x = 1,079,690,631.99
  5. Step 5: Solve for x
    x = 1,079,690,631.99/53,019.11
  6. Step 6: Final answer
    x = 20,364.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.