Home / 85,805.06-118,340.75-60,395.54

Finding the Fourth Proportional to 85,805.06, 118,340.75 and 60,395.54

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Solution

The fourth proportional to 85,805.06, 118,340.75 and 60,395.54 is: 83,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,805.06 : 118,340.75 = 60,395.54 : x
  2. Step 2: Convert to fraction form
    85,805.06/118,340.75 = 60,395.54/x
  3. Step 3: Cross multiply
    85,805.06x = 118,340.75 × 60,395.54
  4. Step 4: Simplify right side
    85,805.06x = 7,147,253,059.54
  5. Step 5: Solve for x
    x = 7,147,253,059.54/85,805.06
  6. Step 6: Final answer
    x = 83,296.40

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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.