Home / 101,228.22-139,688.82-60,955.02

Finding the Fourth Proportional to 101,228.22, 139,688.82 and 60,955.02

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Solution

The fourth proportional to 101,228.22, 139,688.82 and 60,955.02 is: 84,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,228.22 : 139,688.82 = 60,955.02 : x
  2. Step 2: Convert to fraction form
    101,228.22/139,688.82 = 60,955.02/x
  3. Step 3: Cross multiply
    101,228.22x = 139,688.82 × 60,955.02
  4. Step 4: Simplify right side
    101,228.22x = 8,514,734,816.88
  5. Step 5: Solve for x
    x = 8,514,734,816.88/101,228.22
  6. Step 6: Final answer
    x = 84,114.24

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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.