Home / 56,664.37-78,193.74-31,512.25

Finding the Fourth Proportional to 56,664.37, 78,193.74 and 31,512.25

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Solution

The fourth proportional to 56,664.37, 78,193.74 and 31,512.25 is: 43,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,664.37 : 78,193.74 = 31,512.25 : x
  2. Step 2: Convert to fraction form
    56,664.37/78,193.74 = 31,512.25/x
  3. Step 3: Cross multiply
    56,664.37x = 78,193.74 × 31,512.25
  4. Step 4: Simplify right side
    56,664.37x = 2,464,060,683.32
  5. Step 5: Solve for x
    x = 2,464,060,683.32/56,664.37
  6. Step 6: Final answer
    x = 43,485.19

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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.