Home / 45,967.72-68,951.58-12,686.68

Finding the Fourth Proportional to 45,967.72, 68,951.58 and 12,686.68

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Solution

The fourth proportional to 45,967.72, 68,951.58 and 12,686.68 is: 19,030.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,967.72 : 68,951.58 = 12,686.68 : x
  2. Step 2: Convert to fraction form
    45,967.72/68,951.58 = 12,686.68/x
  3. Step 3: Cross multiply
    45,967.72x = 68,951.58 × 12,686.68
  4. Step 4: Simplify right side
    45,967.72x = 874,766,630.95
  5. Step 5: Solve for x
    x = 874,766,630.95/45,967.72
  6. Step 6: Final answer
    x = 19,030.02

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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.