Home / 85,216.51-117,598.91-49,427.33

Finding the Fourth Proportional to 85,216.51, 117,598.91 and 49,427.33

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Solution

The fourth proportional to 85,216.51, 117,598.91 and 49,427.33 is: 68,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,216.51 : 117,598.91 = 49,427.33 : x
  2. Step 2: Convert to fraction form
    85,216.51/117,598.91 = 49,427.33/x
  3. Step 3: Cross multiply
    85,216.51x = 117,598.91 × 49,427.33
  4. Step 4: Simplify right side
    85,216.51x = 5,812,599,885.07
  5. Step 5: Solve for x
    x = 5,812,599,885.07/85,216.51
  6. Step 6: Final answer
    x = 68,209.79

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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.