Home / 84,865.22-127,303.95-25,705.49

Finding the Fourth Proportional to 84,865.22, 127,303.95 and 25,705.49

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Solution

The fourth proportional to 84,865.22, 127,303.95 and 25,705.49 is: 38,560.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,865.22 : 127,303.95 = 25,705.49 : x
  2. Step 2: Convert to fraction form
    84,865.22/127,303.95 = 25,705.49/x
  3. Step 3: Cross multiply
    84,865.22x = 127,303.95 × 25,705.49
  4. Step 4: Simplify right side
    84,865.22x = 3,272,409,873.56
  5. Step 5: Solve for x
    x = 3,272,409,873.56/84,865.22
  6. Step 6: Final answer
    x = 38,560.08

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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.