Home / 86,211.99-118,971.38-48,486.24

Finding the Fourth Proportional to 86,211.99, 118,971.38 and 48,486.24

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Solution

The fourth proportional to 86,211.99, 118,971.38 and 48,486.24 is: 66,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,211.99 : 118,971.38 = 48,486.24 : x
  2. Step 2: Convert to fraction form
    86,211.99/118,971.38 = 48,486.24/x
  3. Step 3: Cross multiply
    86,211.99x = 118,971.38 × 48,486.24
  4. Step 4: Simplify right side
    86,211.99x = 5,768,474,641.38
  5. Step 5: Solve for x
    x = 5,768,474,641.38/86,211.99
  6. Step 6: Final answer
    x = 66,910.35

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1.5x scale

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.