Home / 52,115.48-78,166.32-14,678.50

Finding the Fourth Proportional to 52,115.48, 78,166.32 and 14,678.50

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Solution

The fourth proportional to 52,115.48, 78,166.32 and 14,678.50 is: 22,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,115.48 : 78,166.32 = 14,678.50 : x
  2. Step 2: Convert to fraction form
    52,115.48/78,166.32 = 14,678.50/x
  3. Step 3: Cross multiply
    52,115.48x = 78,166.32 × 14,678.50
  4. Step 4: Simplify right side
    52,115.48x = 1,147,364,224.22
  5. Step 5: Solve for x
    x = 1,147,364,224.22/52,115.48
  6. Step 6: Final answer
    x = 22,015.80

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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.