Home / 104,947.44-144,745.56-67,225.20

Finding the Fourth Proportional to 104,947.44, 144,745.56 and 67,225.20

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Solution

The fourth proportional to 104,947.44, 144,745.56 and 67,225.20 is: 92,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,947.44 : 144,745.56 = 67,225.20 : x
  2. Step 2: Convert to fraction form
    104,947.44/144,745.56 = 67,225.20/x
  3. Step 3: Cross multiply
    104,947.44x = 144,745.56 × 67,225.20
  4. Step 4: Simplify right side
    104,947.44x = 9,730,549,220.11
  5. Step 5: Solve for x
    x = 9,730,549,220.11/104,947.44
  6. Step 6: Final answer
    x = 92,718.31

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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.