Home / 48,120.56-72,179.63-13,059.31

Finding the Fourth Proportional to 48,120.56, 72,179.63 and 13,059.31

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Solution

The fourth proportional to 48,120.56, 72,179.63 and 13,059.31 is: 19,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,120.56 : 72,179.63 = 13,059.31 : x
  2. Step 2: Convert to fraction form
    48,120.56/72,179.63 = 13,059.31/x
  3. Step 3: Cross multiply
    48,120.56x = 72,179.63 × 13,059.31
  4. Step 4: Simplify right side
    48,120.56x = 942,615,967.08
  5. Step 5: Solve for x
    x = 942,615,967.08/48,120.56
  6. Step 6: Final answer
    x = 19,588.63

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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.