Home / 69,949.70-96,530.59-38,118.60

Finding the Fourth Proportional to 69,949.70, 96,530.59 and 38,118.60

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Solution

The fourth proportional to 69,949.70, 96,530.59 and 38,118.60 is: 52,603.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,949.70 : 96,530.59 = 38,118.60 : x
  2. Step 2: Convert to fraction form
    69,949.70/96,530.59 = 38,118.60/x
  3. Step 3: Cross multiply
    69,949.70x = 96,530.59 × 38,118.60
  4. Step 4: Simplify right side
    69,949.70x = 3,679,610,465.32
  5. Step 5: Solve for x
    x = 3,679,610,465.32/69,949.70
  6. Step 6: Final answer
    x = 52,603.67

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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.