Home / 52,295.56-78,442.66-12,853.02

Finding the Fourth Proportional to 52,295.56, 78,442.66 and 12,853.02

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Solution

The fourth proportional to 52,295.56, 78,442.66 and 12,853.02 is: 19,279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,295.56 : 78,442.66 = 12,853.02 : x
  2. Step 2: Convert to fraction form
    52,295.56/78,442.66 = 12,853.02/x
  3. Step 3: Cross multiply
    52,295.56x = 78,442.66 × 12,853.02
  4. Step 4: Simplify right side
    52,295.56x = 1,008,225,077.83
  5. Step 5: Solve for x
    x = 1,008,225,077.83/52,295.56
  6. Step 6: Final answer
    x = 19,279.36

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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.