Home / 90,610.04-125,047.50-54,801.56

Finding the Fourth Proportional to 90,610.04, 125,047.50 and 54,801.56

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Solution

The fourth proportional to 90,610.04, 125,047.50 and 54,801.56 is: 75,629.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,610.04 : 125,047.50 = 54,801.56 : x
  2. Step 2: Convert to fraction form
    90,610.04/125,047.50 = 54,801.56/x
  3. Step 3: Cross multiply
    90,610.04x = 125,047.50 × 54,801.56
  4. Step 4: Simplify right side
    90,610.04x = 6,852,798,181.21
  5. Step 5: Solve for x
    x = 6,852,798,181.21/90,610.04
  6. Step 6: Final answer
    x = 75,629.57

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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.