Home / 84,726.08-127,000.44-28,546.78

Finding the Fourth Proportional to 84,726.08, 127,000.44 and 28,546.78

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Solution

The fourth proportional to 84,726.08, 127,000.44 and 28,546.78 is: 42,790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,726.08 : 127,000.44 = 28,546.78 : x
  2. Step 2: Convert to fraction form
    84,726.08/127,000.44 = 28,546.78/x
  3. Step 3: Cross multiply
    84,726.08x = 127,000.44 × 28,546.78
  4. Step 4: Simplify right side
    84,726.08x = 3,625,453,620.58
  5. Step 5: Solve for x
    x = 3,625,453,620.58/84,726.08
  6. Step 6: Final answer
    x = 42,790.29

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1.5x scale

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.