Home / 53,639.37-80,471.21-28,666.26

Finding the Fourth Proportional to 53,639.37, 80,471.21 and 28,666.26

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Solution

The fourth proportional to 53,639.37, 80,471.21 and 28,666.26 is: 43,005.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,639.37 : 80,471.21 = 28,666.26 : x
  2. Step 2: Convert to fraction form
    53,639.37/80,471.21 = 28,666.26/x
  3. Step 3: Cross multiply
    53,639.37x = 80,471.21 × 28,666.26
  4. Step 4: Simplify right side
    53,639.37x = 2,306,808,485.04
  5. Step 5: Solve for x
    x = 2,306,808,485.04/53,639.37
  6. Step 6: Final answer
    x = 43,005.88

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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.