Home / 81,894.22-113,012.70-46,084.21

Finding the Fourth Proportional to 81,894.22, 113,012.70 and 46,084.21

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Solution

The fourth proportional to 81,894.22, 113,012.70 and 46,084.21 is: 63,595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,894.22 : 113,012.70 = 46,084.21 : x
  2. Step 2: Convert to fraction form
    81,894.22/113,012.70 = 46,084.21/x
  3. Step 3: Cross multiply
    81,894.22x = 113,012.70 × 46,084.21
  4. Step 4: Simplify right side
    81,894.22x = 5,208,100,999.47
  5. Step 5: Solve for x
    x = 5,208,100,999.47/81,894.22
  6. Step 6: Final answer
    x = 63,595.46

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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.