Home / 74,280.72-111,455.10-32,173.68

Finding the Fourth Proportional to 74,280.72, 111,455.10 and 32,173.68

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Solution

The fourth proportional to 74,280.72, 111,455.10 and 32,173.68 is: 48,275.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,280.72 : 111,455.10 = 32,173.68 : x
  2. Step 2: Convert to fraction form
    74,280.72/111,455.10 = 32,173.68/x
  3. Step 3: Cross multiply
    74,280.72x = 111,455.10 × 32,173.68
  4. Step 4: Simplify right side
    74,280.72x = 3,585,920,721.77
  5. Step 5: Solve for x
    x = 3,585,920,721.77/74,280.72
  6. Step 6: Final answer
    x = 48,275.26

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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.