Home / 85,113.30-117,459.54-46,874.52

Finding the Fourth Proportional to 85,113.30, 117,459.54 and 46,874.52

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Solution

The fourth proportional to 85,113.30, 117,459.54 and 46,874.52 is: 64,688.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,113.30 : 117,459.54 = 46,874.52 : x
  2. Step 2: Convert to fraction form
    85,113.30/117,459.54 = 46,874.52/x
  3. Step 3: Cross multiply
    85,113.30x = 117,459.54 × 46,874.52
  4. Step 4: Simplify right side
    85,113.30x = 5,505,859,556.92
  5. Step 5: Solve for x
    x = 5,505,859,556.92/85,113.30
  6. Step 6: Final answer
    x = 64,688.59

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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.