Home / 51,148.25-70,565.47-51,069.39

Finding the Fourth Proportional to 51,148.25, 70,565.47 and 51,069.39

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Solution

The fourth proportional to 51,148.25, 70,565.47 and 51,069.39 is: 70,456.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,148.25 : 70,565.47 = 51,069.39 : x
  2. Step 2: Convert to fraction form
    51,148.25/70,565.47 = 51,069.39/x
  3. Step 3: Cross multiply
    51,148.25x = 70,565.47 × 51,069.39
  4. Step 4: Simplify right side
    51,148.25x = 3,603,735,507.96
  5. Step 5: Solve for x
    x = 3,603,735,507.96/51,148.25
  6. Step 6: Final answer
    x = 70,456.67

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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.