Home / 48,128.12-72,200.40-14,847.56

Finding the Fourth Proportional to 48,128.12, 72,200.40 and 14,847.56

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Solution

The fourth proportional to 48,128.12, 72,200.40 and 14,847.56 is: 22,273.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,128.12 : 72,200.40 = 14,847.56 : x
  2. Step 2: Convert to fraction form
    48,128.12/72,200.40 = 14,847.56/x
  3. Step 3: Cross multiply
    48,128.12x = 72,200.40 × 14,847.56
  4. Step 4: Simplify right side
    48,128.12x = 1,071,999,771.02
  5. Step 5: Solve for x
    x = 1,071,999,771.02/48,128.12
  6. Step 6: Final answer
    x = 22,273.88

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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.