Home / 66,085.44-91,197.96-35,870.75

Finding the Fourth Proportional to 66,085.44, 91,197.96 and 35,870.75

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Solution

The fourth proportional to 66,085.44, 91,197.96 and 35,870.75 is: 49,501.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,085.44 : 91,197.96 = 35,870.75 : x
  2. Step 2: Convert to fraction form
    66,085.44/91,197.96 = 35,870.75/x
  3. Step 3: Cross multiply
    66,085.44x = 91,197.96 × 35,870.75
  4. Step 4: Simplify right side
    66,085.44x = 3,271,339,223.67
  5. Step 5: Solve for x
    x = 3,271,339,223.67/66,085.44
  6. Step 6: Final answer
    x = 49,501.66

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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.