Home / 98,012.00-135,254.76-54,992.28

Finding the Fourth Proportional to 98,012.00, 135,254.76 and 54,992.28

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Solution

The fourth proportional to 98,012.00, 135,254.76 and 54,992.28 is: 75,888.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,012.00 : 135,254.76 = 54,992.28 : x
  2. Step 2: Convert to fraction form
    98,012.00/135,254.76 = 54,992.28/x
  3. Step 3: Cross multiply
    98,012.00x = 135,254.76 × 54,992.28
  4. Step 4: Simplify right side
    98,012.00x = 7,437,967,633.25
  5. Step 5: Solve for x
    x = 7,437,967,633.25/98,012.00
  6. Step 6: Final answer
    x = 75,888.34

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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.