Home / 52,326.36-78,488.82-12,883.80

Finding the Fourth Proportional to 52,326.36, 78,488.82 and 12,883.80

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Solution

The fourth proportional to 52,326.36, 78,488.82 and 12,883.80 is: 19,325.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,326.36 : 78,488.82 = 12,883.80 : x
  2. Step 2: Convert to fraction form
    52,326.36/78,488.82 = 12,883.80/x
  3. Step 3: Cross multiply
    52,326.36x = 78,488.82 × 12,883.80
  4. Step 4: Simplify right side
    52,326.36x = 1,011,234,259.12
  5. Step 5: Solve for x
    x = 1,011,234,259.12/52,326.36
  6. Step 6: Final answer
    x = 19,325.52

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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.