Home / 56,710.94-78,256.33-33,423.64

Finding the Fourth Proportional to 56,710.94, 78,256.33 and 33,423.64

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Solution

The fourth proportional to 56,710.94, 78,256.33 and 33,423.64 is: 46,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,710.94 : 78,256.33 = 33,423.64 : x
  2. Step 2: Convert to fraction form
    56,710.94/78,256.33 = 33,423.64/x
  3. Step 3: Cross multiply
    56,710.94x = 78,256.33 × 33,423.64
  4. Step 4: Simplify right side
    56,710.94x = 2,615,611,122.44
  5. Step 5: Solve for x
    x = 2,615,611,122.44/56,710.94
  6. Step 6: Final answer
    x = 46,121.81

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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.