Home / 52,959.29-79,438.85-13,516.40

Finding the Fourth Proportional to 52,959.29, 79,438.85 and 13,516.40

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Solution

The fourth proportional to 52,959.29, 79,438.85 and 13,516.40 is: 20,274.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,959.29 : 79,438.85 = 13,516.40 : x
  2. Step 2: Convert to fraction form
    52,959.29/79,438.85 = 13,516.40/x
  3. Step 3: Cross multiply
    52,959.29x = 79,438.85 × 13,516.40
  4. Step 4: Simplify right side
    52,959.29x = 1,073,726,807.36
  5. Step 5: Solve for x
    x = 1,073,726,807.36/52,959.29
  6. Step 6: Final answer
    x = 20,274.57

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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.