Home / 74,355.02-111,537.69-29,982.21

Finding the Fourth Proportional to 74,355.02, 111,537.69 and 29,982.21

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Solution

The fourth proportional to 74,355.02, 111,537.69 and 29,982.21 is: 44,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,355.02 : 111,537.69 = 29,982.21 : x
  2. Step 2: Convert to fraction form
    74,355.02/111,537.69 = 29,982.21/x
  3. Step 3: Cross multiply
    74,355.02x = 111,537.69 × 29,982.21
  4. Step 4: Simplify right side
    74,355.02x = 3,344,146,444.49
  5. Step 5: Solve for x
    x = 3,344,146,444.49/74,355.02
  6. Step 6: Final answer
    x = 44,975.40

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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.