Home / 85,518.70-118,015.98-47,792.95

Finding the Fourth Proportional to 85,518.70, 118,015.98 and 47,792.95

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Solution

The fourth proportional to 85,518.70, 118,015.98 and 47,792.95 is: 65,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,518.70 : 118,015.98 = 47,792.95 : x
  2. Step 2: Convert to fraction form
    85,518.70/118,015.98 = 47,792.95/x
  3. Step 3: Cross multiply
    85,518.70x = 118,015.98 × 47,792.95
  4. Step 4: Simplify right side
    85,518.70x = 5,640,331,241.26
  5. Step 5: Solve for x
    x = 5,640,331,241.26/85,518.70
  6. Step 6: Final answer
    x = 65,954.37

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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.