Home / 85,104.12-117,442.67-46,862.85

Finding the Fourth Proportional to 85,104.12, 117,442.67 and 46,862.85

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Solution

The fourth proportional to 85,104.12, 117,442.67 and 46,862.85 is: 64,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,104.12 : 117,442.67 = 46,862.85 : x
  2. Step 2: Convert to fraction form
    85,104.12/117,442.67 = 46,862.85/x
  3. Step 3: Cross multiply
    85,104.12x = 117,442.67 × 46,862.85
  4. Step 4: Simplify right side
    85,104.12x = 5,503,697,993.50
  5. Step 5: Solve for x
    x = 5,503,697,993.50/85,104.12
  6. Step 6: Final answer
    x = 64,670.17

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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.