Home / 52,294.94-78,441.71-12,852.40

Finding the Fourth Proportional to 52,294.94, 78,441.71 and 12,852.40

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Solution

The fourth proportional to 52,294.94, 78,441.71 and 12,852.40 is: 19,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,294.94 : 78,441.71 = 12,852.40 : x
  2. Step 2: Convert to fraction form
    52,294.94/78,441.71 = 12,852.40/x
  3. Step 3: Cross multiply
    52,294.94x = 78,441.71 × 12,852.40
  4. Step 4: Simplify right side
    52,294.94x = 1,008,164,069.63
  5. Step 5: Solve for x
    x = 1,008,164,069.63/52,294.94
  6. Step 6: Final answer
    x = 19,278.42

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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.