Home / 104,972.74-157,411.72-30,075.74

Finding the Fourth Proportional to 104,972.74, 157,411.72 and 30,075.74

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Solution

The fourth proportional to 104,972.74, 157,411.72 and 30,075.74 is: 45,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,972.74 : 157,411.72 = 30,075.74 : x
  2. Step 2: Convert to fraction form
    104,972.74/157,411.72 = 30,075.74/x
  3. Step 3: Cross multiply
    104,972.74x = 157,411.72 × 30,075.74
  4. Step 4: Simplify right side
    104,972.74x = 4,734,273,804.50
  5. Step 5: Solve for x
    x = 4,734,273,804.50/104,972.74
  6. Step 6: Final answer
    x = 45,100.03

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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.