Home / 56,350.56-77,766.21-31,200.06

Finding the Fourth Proportional to 56,350.56, 77,766.21 and 31,200.06

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Solution

The fourth proportional to 56,350.56, 77,766.21 and 31,200.06 is: 43,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,350.56 : 77,766.21 = 31,200.06 : x
  2. Step 2: Convert to fraction form
    56,350.56/77,766.21 = 31,200.06/x
  3. Step 3: Cross multiply
    56,350.56x = 77,766.21 × 31,200.06
  4. Step 4: Simplify right side
    56,350.56x = 2,426,310,417.97
  5. Step 5: Solve for x
    x = 2,426,310,417.97/56,350.56
  6. Step 6: Final answer
    x = 43,057.43

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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.