Home / 84,977.70-127,466.55-49,548.30

Finding the Fourth Proportional to 84,977.70, 127,466.55 and 49,548.30

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Solution

The fourth proportional to 84,977.70, 127,466.55 and 49,548.30 is: 74,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,977.70 : 127,466.55 = 49,548.30 : x
  2. Step 2: Convert to fraction form
    84,977.70/127,466.55 = 49,548.30/x
  3. Step 3: Cross multiply
    84,977.70x = 127,466.55 × 49,548.30
  4. Step 4: Simplify right side
    84,977.70x = 6,315,750,859.37
  5. Step 5: Solve for x
    x = 6,315,750,859.37/84,977.70
  6. Step 6: Final answer
    x = 74,322.45

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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.