Home / 52,293.56-78,439.66-12,851.02

Finding the Fourth Proportional to 52,293.56, 78,439.66 and 12,851.02

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Solution

The fourth proportional to 52,293.56, 78,439.66 and 12,851.02 is: 19,276.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,293.56 : 78,439.66 = 12,851.02 : x
  2. Step 2: Convert to fraction form
    52,293.56/78,439.66 = 12,851.02/x
  3. Step 3: Cross multiply
    52,293.56x = 78,439.66 × 12,851.02
  4. Step 4: Simplify right side
    52,293.56x = 1,008,029,639.45
  5. Step 5: Solve for x
    x = 1,008,029,639.45/52,293.56
  6. Step 6: Final answer
    x = 19,276.36

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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.