Home / 85,735.54-118,346.10-69,792.32

Finding the Fourth Proportional to 85,735.54, 118,346.10 and 69,792.32

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Solution

The fourth proportional to 85,735.54, 118,346.10 and 69,792.32 is: 96,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,735.54 : 118,346.10 = 69,792.32 : x
  2. Step 2: Convert to fraction form
    85,735.54/118,346.10 = 69,792.32/x
  3. Step 3: Cross multiply
    85,735.54x = 118,346.10 × 69,792.32
  4. Step 4: Simplify right side
    85,735.54x = 8,259,648,881.95
  5. Step 5: Solve for x
    x = 8,259,648,881.95/85,735.54
  6. Step 6: Final answer
    x = 96,338.68

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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.