Home / 84,811.52-127,202.88-22,488.32

Finding the Fourth Proportional to 84,811.52, 127,202.88 and 22,488.32

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Solution

The fourth proportional to 84,811.52, 127,202.88 and 22,488.32 is: 33,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,811.52 : 127,202.88 = 22,488.32 : x
  2. Step 2: Convert to fraction form
    84,811.52/127,202.88 = 22,488.32/x
  3. Step 3: Cross multiply
    84,811.52x = 127,202.88 × 22,488.32
  4. Step 4: Simplify right side
    84,811.52x = 2,860,579,070.36
  5. Step 5: Solve for x
    x = 2,860,579,070.36/84,811.52
  6. Step 6: Final answer
    x = 33,728.66

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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.