Home / 84,840.60-127,275.30-25,675.80

Finding the Fourth Proportional to 84,840.60, 127,275.30 and 25,675.80

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Solution

The fourth proportional to 84,840.60, 127,275.30 and 25,675.80 is: 38,518.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,840.60 : 127,275.30 = 25,675.80 : x
  2. Step 2: Convert to fraction form
    84,840.60/127,275.30 = 25,675.80/x
  3. Step 3: Cross multiply
    84,840.60x = 127,275.30 × 25,675.80
  4. Step 4: Simplify right side
    84,840.60x = 3,267,895,147.74
  5. Step 5: Solve for x
    x = 3,267,895,147.74/84,840.60
  6. Step 6: Final answer
    x = 38,518.06

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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.