Home / 104,972.43-157,411.24-30,075.42

Finding the Fourth Proportional to 104,972.43, 157,411.24 and 30,075.42

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Solution

The fourth proportional to 104,972.43, 157,411.24 and 30,075.42 is: 45,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,972.43 : 157,411.24 = 30,075.42 : x
  2. Step 2: Convert to fraction form
    104,972.43/157,411.24 = 30,075.42/x
  3. Step 3: Cross multiply
    104,972.43x = 157,411.24 × 30,075.42
  4. Step 4: Simplify right side
    104,972.43x = 4,734,209,155.72
  5. Step 5: Solve for x
    x = 4,734,209,155.72/104,972.43
  6. Step 6: Final answer
    x = 45,099.55

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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.