Home / 53,445.60-80,168.40-32,709.60

Finding the Fourth Proportional to 53,445.60, 80,168.40 and 32,709.60

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Solution

The fourth proportional to 53,445.60, 80,168.40 and 32,709.60 is: 49,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,445.60 : 80,168.40 = 32,709.60 : x
  2. Step 2: Convert to fraction form
    53,445.60/80,168.40 = 32,709.60/x
  3. Step 3: Cross multiply
    53,445.60x = 80,168.40 × 32,709.60
  4. Step 4: Simplify right side
    53,445.60x = 2,622,276,296.64
  5. Step 5: Solve for x
    x = 2,622,276,296.64/53,445.60
  6. Step 6: Final answer
    x = 49,064.40

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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.