Home / 55,014.74-75,915.10-43,711.60

Finding the Fourth Proportional to 55,014.74, 75,915.10 and 43,711.60

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Solution

The fourth proportional to 55,014.74, 75,915.10 and 43,711.60 is: 60,317.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,014.74 : 75,915.10 = 43,711.60 : x
  2. Step 2: Convert to fraction form
    55,014.74/75,915.10 = 43,711.60/x
  3. Step 3: Cross multiply
    55,014.74x = 75,915.10 × 43,711.60
  4. Step 4: Simplify right side
    55,014.74x = 3,318,370,369.41
  5. Step 5: Solve for x
    x = 3,318,370,369.41/55,014.74
  6. Step 6: Final answer
    x = 60,317.84

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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.