Home / 84,698.12-127,014.91-28,523.16

Finding the Fourth Proportional to 84,698.12, 127,014.91 and 28,523.16

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Solution

The fourth proportional to 84,698.12, 127,014.91 and 28,523.16 is: 42,773.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,698.12 : 127,014.91 = 28,523.16 : x
  2. Step 2: Convert to fraction form
    84,698.12/127,014.91 = 28,523.16/x
  3. Step 3: Cross multiply
    84,698.12x = 127,014.91 × 28,523.16
  4. Step 4: Simplify right side
    84,698.12x = 3,622,866,529.01
  5. Step 5: Solve for x
    x = 3,622,866,529.01/84,698.12
  6. Step 6: Final answer
    x = 42,773.87

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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.