Home / 85,133.25-117,427.59-53,246.79

Finding the Fourth Proportional to 85,133.25, 117,427.59 and 53,246.79

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Solution

The fourth proportional to 85,133.25, 117,427.59 and 53,246.79 is: 73,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,133.25 : 117,427.59 = 53,246.79 : x
  2. Step 2: Convert to fraction form
    85,133.25/117,427.59 = 53,246.79/x
  3. Step 3: Cross multiply
    85,133.25x = 117,427.59 × 53,246.79
  4. Step 4: Simplify right side
    85,133.25x = 6,252,642,224.94
  5. Step 5: Solve for x
    x = 6,252,642,224.94/85,133.25
  6. Step 6: Final answer
    x = 73,445.36

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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.