Home / 52,045.27-78,067.62-12,602.39

Finding the Fourth Proportional to 52,045.27, 78,067.62 and 12,602.39

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Solution

The fourth proportional to 52,045.27, 78,067.62 and 12,602.39 is: 18,903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,045.27 : 78,067.62 = 12,602.39 : x
  2. Step 2: Convert to fraction form
    52,045.27/78,067.62 = 12,602.39/x
  3. Step 3: Cross multiply
    52,045.27x = 78,067.62 × 12,602.39
  4. Step 4: Simplify right side
    52,045.27x = 983,838,203.27
  5. Step 5: Solve for x
    x = 983,838,203.27/52,045.27
  6. Step 6: Final answer
    x = 18,903.51

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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.