Home / 99,740.04-149,560.20-33,156.84

Finding the Fourth Proportional to 99,740.04, 149,560.20 and 33,156.84

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Solution

The fourth proportional to 99,740.04, 149,560.20 and 33,156.84 is: 49,718.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,740.04 : 149,560.20 = 33,156.84 : x
  2. Step 2: Convert to fraction form
    99,740.04/149,560.20 = 33,156.84/x
  3. Step 3: Cross multiply
    99,740.04x = 149,560.20 × 33,156.84
  4. Step 4: Simplify right side
    99,740.04x = 4,958,943,621.77
  5. Step 5: Solve for x
    x = 4,958,943,621.77/99,740.04
  6. Step 6: Final answer
    x = 49,718.68

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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.