Home / 53,656.32-80,563.47-30,010.20

Finding the Fourth Proportional to 53,656.32, 80,563.47 and 30,010.20

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Solution

The fourth proportional to 53,656.32, 80,563.47 and 30,010.20 is: 45,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,656.32 : 80,563.47 = 30,010.20 : x
  2. Step 2: Convert to fraction form
    53,656.32/80,563.47 = 30,010.20/x
  3. Step 3: Cross multiply
    53,656.32x = 80,563.47 × 30,010.20
  4. Step 4: Simplify right side
    53,656.32x = 2,417,725,847.39
  5. Step 5: Solve for x
    x = 2,417,725,847.39/53,656.32
  6. Step 6: Final answer
    x = 45,059.48

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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.