Home / 48,587.20-72,783.60-32,840.80

Finding the Fourth Proportional to 48,587.20, 72,783.60 and 32,840.80

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Solution

The fourth proportional to 48,587.20, 72,783.60 and 32,840.80 is: 49,195.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,587.20 : 72,783.60 = 32,840.80 : x
  2. Step 2: Convert to fraction form
    48,587.20/72,783.60 = 32,840.80/x
  3. Step 3: Cross multiply
    48,587.20x = 72,783.60 × 32,840.80
  4. Step 4: Simplify right side
    48,587.20x = 2,390,271,650.88
  5. Step 5: Solve for x
    x = 2,390,271,650.88/48,587.20
  6. Step 6: Final answer
    x = 49,195.50

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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.