Home / 45,375.78-68,070.92-15,802.02

Finding the Fourth Proportional to 45,375.78, 68,070.92 and 15,802.02

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Solution

The fourth proportional to 45,375.78, 68,070.92 and 15,802.02 is: 23,705.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,375.78 : 68,070.92 = 15,802.02 : x
  2. Step 2: Convert to fraction form
    45,375.78/68,070.92 = 15,802.02/x
  3. Step 3: Cross multiply
    45,375.78x = 68,070.92 × 15,802.02
  4. Step 4: Simplify right side
    45,375.78x = 1,075,658,039.26
  5. Step 5: Solve for x
    x = 1,075,658,039.26/45,375.78
  6. Step 6: Final answer
    x = 23,705.55

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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.