Home / 56,057.68-77,391.28-37,220.56

Finding the Fourth Proportional to 56,057.68, 77,391.28 and 37,220.56

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Solution

The fourth proportional to 56,057.68, 77,391.28 and 37,220.56 is: 51,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,057.68 : 77,391.28 = 37,220.56 : x
  2. Step 2: Convert to fraction form
    56,057.68/77,391.28 = 37,220.56/x
  3. Step 3: Cross multiply
    56,057.68x = 77,391.28 × 37,220.56
  4. Step 4: Simplify right side
    56,057.68x = 2,880,546,780.72
  5. Step 5: Solve for x
    x = 2,880,546,780.72/56,057.68
  6. Step 6: Final answer
    x = 51,385.41

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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.