Home / 45,931.91-68,915.75-37,129.23

Finding the Fourth Proportional to 45,931.91, 68,915.75 and 37,129.23

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Solution

The fourth proportional to 45,931.91, 68,915.75 and 37,129.23 is: 55,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,931.91 : 68,915.75 = 37,129.23 : x
  2. Step 2: Convert to fraction form
    45,931.91/68,915.75 = 37,129.23/x
  3. Step 3: Cross multiply
    45,931.91x = 68,915.75 × 37,129.23
  4. Step 4: Simplify right side
    45,931.91x = 2,558,788,546.73
  5. Step 5: Solve for x
    x = 2,558,788,546.73/45,931.91
  6. Step 6: Final answer
    x = 55,708.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.