Home / 53,471.44-80,156.72-18,386.56

Finding the Fourth Proportional to 53,471.44, 80,156.72 and 18,386.56

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Solution

The fourth proportional to 53,471.44, 80,156.72 and 18,386.56 is: 27,562.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,471.44 : 80,156.72 = 18,386.56 : x
  2. Step 2: Convert to fraction form
    53,471.44/80,156.72 = 18,386.56/x
  3. Step 3: Cross multiply
    53,471.44x = 80,156.72 × 18,386.56
  4. Step 4: Simplify right side
    53,471.44x = 1,473,806,341.68
  5. Step 5: Solve for x
    x = 1,473,806,341.68/53,471.44
  6. Step 6: Final answer
    x = 27,562.50

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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.