Home / 85,185.65-117,551.58-46,937.81

Finding the Fourth Proportional to 85,185.65, 117,551.58 and 46,937.81

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Solution

The fourth proportional to 85,185.65, 117,551.58 and 46,937.81 is: 64,771.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,185.65 : 117,551.58 = 46,937.81 : x
  2. Step 2: Convert to fraction form
    85,185.65/117,551.58 = 46,937.81/x
  3. Step 3: Cross multiply
    85,185.65x = 117,551.58 × 46,937.81
  4. Step 4: Simplify right side
    85,185.65x = 5,517,613,727.24
  5. Step 5: Solve for x
    x = 5,517,613,727.24/85,185.65
  6. Step 6: Final answer
    x = 64,771.63

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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.