Home / 84,483-126,719.58-22,153.48

Finding the Fourth Proportional to 84,483, 126,719.58 and 22,153.48

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Solution

The fourth proportional to 84,483, 126,719.58 and 22,153.48 is: 33,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,483 : 126,719.58 = 22,153.48 : x
  2. Step 2: Convert to fraction form
    84,483/126,719.58 = 22,153.48/x
  3. Step 3: Cross multiply
    84,483x = 126,719.58 × 22,153.48
  4. Step 4: Simplify right side
    84,483x = 2,807,279,681.14
  5. Step 5: Solve for x
    x = 2,807,279,681.14/84,483
  6. Step 6: Final answer
    x = 33,228.93

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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.