Home / 53,385.47-73,675.19-30,723.97

Finding the Fourth Proportional to 53,385.47, 73,675.19 and 30,723.97

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Solution

The fourth proportional to 53,385.47, 73,675.19 and 30,723.97 is: 42,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,385.47 : 73,675.19 = 30,723.97 : x
  2. Step 2: Convert to fraction form
    53,385.47/73,675.19 = 30,723.97/x
  3. Step 3: Cross multiply
    53,385.47x = 73,675.19 × 30,723.97
  4. Step 4: Simplify right side
    53,385.47x = 2,263,593,989.50
  5. Step 5: Solve for x
    x = 2,263,593,989.50/53,385.47
  6. Step 6: Final answer
    x = 42,400.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.