Home / 73,166.32-100,977-52,765.24

Finding the Fourth Proportional to 73,166.32, 100,977 and 52,765.24

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Solution

The fourth proportional to 73,166.32, 100,977 and 52,765.24 is: 72,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,166.32 : 100,977 = 52,765.24 : x
  2. Step 2: Convert to fraction form
    73,166.32/100,977 = 52,765.24/x
  3. Step 3: Cross multiply
    73,166.32x = 100,977 × 52,765.24
  4. Step 4: Simplify right side
    73,166.32x = 5,328,075,639.48
  5. Step 5: Solve for x
    x = 5,328,075,639.48/73,166.32
  6. Step 6: Final answer
    x = 72,821.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.