Home / 71,456.70-98,603.24-39,625.04

Finding the Fourth Proportional to 71,456.70, 98,603.24 and 39,625.04

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Solution

The fourth proportional to 71,456.70, 98,603.24 and 39,625.04 is: 54,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,456.70 : 98,603.24 = 39,625.04 : x
  2. Step 2: Convert to fraction form
    71,456.70/98,603.24 = 39,625.04/x
  3. Step 3: Cross multiply
    71,456.70x = 98,603.24 × 39,625.04
  4. Step 4: Simplify right side
    71,456.70x = 3,907,157,329.13
  5. Step 5: Solve for x
    x = 3,907,157,329.13/71,456.70
  6. Step 6: Final answer
    x = 54,678.67

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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.