Home / 55,736.16-76,915.88-31,863.34

Finding the Fourth Proportional to 55,736.16, 76,915.88 and 31,863.34

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Solution

The fourth proportional to 55,736.16, 76,915.88 and 31,863.34 is: 43,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,736.16 : 76,915.88 = 31,863.34 : x
  2. Step 2: Convert to fraction form
    55,736.16/76,915.88 = 31,863.34/x
  3. Step 3: Cross multiply
    55,736.16x = 76,915.88 × 31,863.34
  4. Step 4: Simplify right side
    55,736.16x = 2,450,796,835.84
  5. Step 5: Solve for x
    x = 2,450,796,835.84/55,736.16
  6. Step 6: Final answer
    x = 43,971.40

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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.