Home / 85,215.77-117,597.75-46,975.95

Finding the Fourth Proportional to 85,215.77, 117,597.75 and 46,975.95

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Solution

The fourth proportional to 85,215.77, 117,597.75 and 46,975.95 is: 64,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,215.77 : 117,597.75 = 46,975.95 : x
  2. Step 2: Convert to fraction form
    85,215.77/117,597.75 = 46,975.95/x
  3. Step 3: Cross multiply
    85,215.77x = 117,597.75 × 46,975.95
  4. Step 4: Simplify right side
    85,215.77x = 5,524,265,980.07
  5. Step 5: Solve for x
    x = 5,524,265,980.07/85,215.77
  6. Step 6: Final answer
    x = 64,826.80

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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.