Home / 84,644.20-127,009.50-34,762.60

Finding the Fourth Proportional to 84,644.20, 127,009.50 and 34,762.60

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Solution

The fourth proportional to 84,644.20, 127,009.50 and 34,762.60 is: 52,161.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,644.20 : 127,009.50 = 34,762.60 : x
  2. Step 2: Convert to fraction form
    84,644.20/127,009.50 = 34,762.60/x
  3. Step 3: Cross multiply
    84,644.20x = 127,009.50 × 34,762.60
  4. Step 4: Simplify right side
    84,644.20x = 4,415,180,444.70
  5. Step 5: Solve for x
    x = 4,415,180,444.70/84,644.20
  6. Step 6: Final answer
    x = 52,161.64

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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.