Home / 85,390.26-128,073.48-46,933.83

Finding the Fourth Proportional to 85,390.26, 128,073.48 and 46,933.83

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Solution

The fourth proportional to 85,390.26, 128,073.48 and 46,933.83 is: 70,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,390.26 : 128,073.48 = 46,933.83 : x
  2. Step 2: Convert to fraction form
    85,390.26/128,073.48 = 46,933.83/x
  3. Step 3: Cross multiply
    85,390.26x = 128,073.48 × 46,933.83
  4. Step 4: Simplify right side
    85,390.26x = 6,010,978,910.82
  5. Step 5: Solve for x
    x = 6,010,978,910.82/85,390.26
  6. Step 6: Final answer
    x = 70,394.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.