Home / 52,104.02-78,140.07-18,819.98

Finding the Fourth Proportional to 52,104.02, 78,140.07 and 18,819.98

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Solution

The fourth proportional to 52,104.02, 78,140.07 and 18,819.98 is: 28,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,104.02 : 78,140.07 = 18,819.98 : x
  2. Step 2: Convert to fraction form
    52,104.02/78,140.07 = 18,819.98/x
  3. Step 3: Cross multiply
    52,104.02x = 78,140.07 × 18,819.98
  4. Step 4: Simplify right side
    52,104.02x = 1,470,594,554.60
  5. Step 5: Solve for x
    x = 1,470,594,554.60/52,104.02
  6. Step 6: Final answer
    x = 28,224.21

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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.