Home / 51,928.93-77,893.40-12,486.04

Finding the Fourth Proportional to 51,928.93, 77,893.40 and 12,486.04

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Solution

The fourth proportional to 51,928.93, 77,893.40 and 12,486.04 is: 18,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928.93 : 77,893.40 = 12,486.04 : x
  2. Step 2: Convert to fraction form
    51,928.93/77,893.40 = 12,486.04/x
  3. Step 3: Cross multiply
    51,928.93x = 77,893.40 × 12,486.04
  4. Step 4: Simplify right side
    51,928.93x = 972,580,108.14
  5. Step 5: Solve for x
    x = 972,580,108.14/51,928.93
  6. Step 6: Final answer
    x = 18,729.06

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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.