Home / 85,036.10-127,556.25-40,667.54

Finding the Fourth Proportional to 85,036.10, 127,556.25 and 40,667.54

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Solution

The fourth proportional to 85,036.10, 127,556.25 and 40,667.54 is: 61,002.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,036.10 : 127,556.25 = 40,667.54 : x
  2. Step 2: Convert to fraction form
    85,036.10/127,556.25 = 40,667.54/x
  3. Step 3: Cross multiply
    85,036.10x = 127,556.25 × 40,667.54
  4. Step 4: Simplify right side
    85,036.10x = 5,187,398,899.13
  5. Step 5: Solve for x
    x = 5,187,398,899.13/85,036.10
  6. Step 6: Final answer
    x = 61,002.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.