Home / 52,040.07-78,072.26-16,979.63

Finding the Fourth Proportional to 52,040.07, 78,072.26 and 16,979.63

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Solution

The fourth proportional to 52,040.07, 78,072.26 and 16,979.63 is: 25,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,040.07 : 78,072.26 = 16,979.63 : x
  2. Step 2: Convert to fraction form
    52,040.07/78,072.26 = 16,979.63/x
  3. Step 3: Cross multiply
    52,040.07x = 78,072.26 × 16,979.63
  4. Step 4: Simplify right side
    52,040.07x = 1,325,637,612.80
  5. Step 5: Solve for x
    x = 1,325,637,612.80/52,040.07
  6. Step 6: Final answer
    x = 25,473.40

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1.5x scale

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.