Home / 107,257.74-160,928.94-40,715.53

Finding the Fourth Proportional to 107,257.74, 160,928.94 and 40,715.53

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Solution

The fourth proportional to 107,257.74, 160,928.94 and 40,715.53 is: 61,089.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,257.74 : 160,928.94 = 40,715.53 : x
  2. Step 2: Convert to fraction form
    107,257.74/160,928.94 = 40,715.53/x
  3. Step 3: Cross multiply
    107,257.74x = 160,928.94 × 40,715.53
  4. Step 4: Simplify right side
    107,257.74x = 6,552,307,084.44
  5. Step 5: Solve for x
    x = 6,552,307,084.44/107,257.74
  6. Step 6: Final answer
    x = 61,089.36

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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.