Home / 85,307.22-117,693.54-49,477.68

Finding the Fourth Proportional to 85,307.22, 117,693.54 and 49,477.68

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Solution

The fourth proportional to 85,307.22, 117,693.54 and 49,477.68 is: 68,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,307.22 : 117,693.54 = 49,477.68 : x
  2. Step 2: Convert to fraction form
    85,307.22/117,693.54 = 49,477.68/x
  3. Step 3: Cross multiply
    85,307.22x = 117,693.54 × 49,477.68
  4. Step 4: Simplify right side
    85,307.22x = 5,823,203,310.19
  5. Step 5: Solve for x
    x = 5,823,203,310.19/85,307.22
  6. Step 6: Final answer
    x = 68,261.55

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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.