Home / 52,043.95-78,066.12-12,601

Finding the Fourth Proportional to 52,043.95, 78,066.12 and 12,601

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Solution

The fourth proportional to 52,043.95, 78,066.12 and 12,601 is: 18,901.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,043.95 : 78,066.12 = 12,601 : x
  2. Step 2: Convert to fraction form
    52,043.95/78,066.12 = 12,601/x
  3. Step 3: Cross multiply
    52,043.95x = 78,066.12 × 12,601
  4. Step 4: Simplify right side
    52,043.95x = 983,711,178.12
  5. Step 5: Solve for x
    x = 983,711,178.12/52,043.95
  6. Step 6: Final answer
    x = 18,901.55

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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.