Home / 51,915.83-71,683.94-40,565.70

Finding the Fourth Proportional to 51,915.83, 71,683.94 and 40,565.70

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Solution

The fourth proportional to 51,915.83, 71,683.94 and 40,565.70 is: 56,012.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,915.83 : 71,683.94 = 40,565.70 : x
  2. Step 2: Convert to fraction form
    51,915.83/71,683.94 = 40,565.70/x
  3. Step 3: Cross multiply
    51,915.83x = 71,683.94 × 40,565.70
  4. Step 4: Simplify right side
    51,915.83x = 2,907,909,002.03
  5. Step 5: Solve for x
    x = 2,907,909,002.03/51,915.83
  6. Step 6: Final answer
    x = 56,012.00

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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.