Home / 100,848.24-139,165.56-55,530.27

Finding the Fourth Proportional to 100,848.24, 139,165.56 and 55,530.27

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Solution

The fourth proportional to 100,848.24, 139,165.56 and 55,530.27 is: 76,629.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,848.24 : 139,165.56 = 55,530.27 : x
  2. Step 2: Convert to fraction form
    100,848.24/139,165.56 = 55,530.27/x
  3. Step 3: Cross multiply
    100,848.24x = 139,165.56 × 55,530.27
  4. Step 4: Simplify right side
    100,848.24x = 7,727,901,121.50
  5. Step 5: Solve for x
    x = 7,727,901,121.50/100,848.24
  6. Step 6: Final answer
    x = 76,629.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.