Home / 104,972.55-157,411.44-30,075.56

Finding the Fourth Proportional to 104,972.55, 157,411.44 and 30,075.56

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Solution

The fourth proportional to 104,972.55, 157,411.44 and 30,075.56 is: 45,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,972.55 : 157,411.44 = 30,075.56 : x
  2. Step 2: Convert to fraction form
    104,972.55/157,411.44 = 30,075.56/x
  3. Step 3: Cross multiply
    104,972.55x = 157,411.44 × 30,075.56
  4. Step 4: Simplify right side
    104,972.55x = 4,734,236,421.35
  5. Step 5: Solve for x
    x = 4,734,236,421.35/104,972.55
  6. Step 6: Final answer
    x = 45,099.76

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1.5x scale

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.