Home / 48,179.48-72,273.54-13,119.32

Finding the Fourth Proportional to 48,179.48, 72,273.54 and 13,119.32

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Solution

The fourth proportional to 48,179.48, 72,273.54 and 13,119.32 is: 19,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,179.48 : 72,273.54 = 13,119.32 : x
  2. Step 2: Convert to fraction form
    48,179.48/72,273.54 = 13,119.32/x
  3. Step 3: Cross multiply
    48,179.48x = 72,273.54 × 13,119.32
  4. Step 4: Simplify right side
    48,179.48x = 948,179,698.79
  5. Step 5: Solve for x
    x = 948,179,698.79/48,179.48
  6. Step 6: Final answer
    x = 19,680.16

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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.