Home / 53,667.20-80,513.60-22,485.12

Finding the Fourth Proportional to 53,667.20, 80,513.60 and 22,485.12

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Solution

The fourth proportional to 53,667.20, 80,513.60 and 22,485.12 is: 33,733.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,667.20 : 80,513.60 = 22,485.12 : x
  2. Step 2: Convert to fraction form
    53,667.20/80,513.60 = 22,485.12/x
  3. Step 3: Cross multiply
    53,667.20x = 80,513.60 × 22,485.12
  4. Step 4: Simplify right side
    53,667.20x = 1,810,357,957.63
  5. Step 5: Solve for x
    x = 1,810,357,957.63/53,667.20
  6. Step 6: Final answer
    x = 33,733.04

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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.