Home / 56,685.41-78,236.69-37,531.38

Finding the Fourth Proportional to 56,685.41, 78,236.69 and 37,531.38

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Solution

The fourth proportional to 56,685.41, 78,236.69 and 37,531.38 is: 51,800.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,685.41 : 78,236.69 = 37,531.38 : x
  2. Step 2: Convert to fraction form
    56,685.41/78,236.69 = 37,531.38/x
  3. Step 3: Cross multiply
    56,685.41x = 78,236.69 × 37,531.38
  4. Step 4: Simplify right side
    56,685.41x = 2,936,330,754.68
  5. Step 5: Solve for x
    x = 2,936,330,754.68/56,685.41
  6. Step 6: Final answer
    x = 51,800.47

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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.