Home / 45,575.48-68,357.72-12,292.98

Finding the Fourth Proportional to 45,575.48, 68,357.72 and 12,292.98

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Solution

The fourth proportional to 45,575.48, 68,357.72 and 12,292.98 is: 18,437.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,575.48 : 68,357.72 = 12,292.98 : x
  2. Step 2: Convert to fraction form
    45,575.48/68,357.72 = 12,292.98/x
  3. Step 3: Cross multiply
    45,575.48x = 68,357.72 × 12,292.98
  4. Step 4: Simplify right side
    45,575.48x = 840,320,084.81
  5. Step 5: Solve for x
    x = 840,320,084.81/45,575.48
  6. Step 6: Final answer
    x = 18,437.99

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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.