Home / 53,627.60-80,441.40-50,128.40

Finding the Fourth Proportional to 53,627.60, 80,441.40 and 50,128.40

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Solution

The fourth proportional to 53,627.60, 80,441.40 and 50,128.40 is: 75,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,627.60 : 80,441.40 = 50,128.40 : x
  2. Step 2: Convert to fraction form
    53,627.60/80,441.40 = 50,128.40/x
  3. Step 3: Cross multiply
    53,627.60x = 80,441.40 × 50,128.40
  4. Step 4: Simplify right side
    53,627.60x = 4,032,398,675.76
  5. Step 5: Solve for x
    x = 4,032,398,675.76/53,627.60
  6. Step 6: Final answer
    x = 75,192.60

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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.