Home / 85,525.02-118,015.38-49,707.54

Finding the Fourth Proportional to 85,525.02, 118,015.38 and 49,707.54

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Solution

The fourth proportional to 85,525.02, 118,015.38 and 49,707.54 is: 68,591.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,525.02 : 118,015.38 = 49,707.54 : x
  2. Step 2: Convert to fraction form
    85,525.02/118,015.38 = 49,707.54/x
  3. Step 3: Cross multiply
    85,525.02x = 118,015.38 × 49,707.54
  4. Step 4: Simplify right side
    85,525.02x = 5,866,254,221.97
  5. Step 5: Solve for x
    x = 5,866,254,221.97/85,525.02
  6. Step 6: Final answer
    x = 68,591.09

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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.