Home / 101,014.07-139,400.40-55,693.83

Finding the Fourth Proportional to 101,014.07, 139,400.40 and 55,693.83

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Solution

The fourth proportional to 101,014.07, 139,400.40 and 55,693.83 is: 76,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,014.07 : 139,400.40 = 55,693.83 : x
  2. Step 2: Convert to fraction form
    101,014.07/139,400.40 = 55,693.83/x
  3. Step 3: Cross multiply
    101,014.07x = 139,400.40 × 55,693.83
  4. Step 4: Simplify right side
    101,014.07x = 7,763,742,179.53
  5. Step 5: Solve for x
    x = 7,763,742,179.53/101,014.07
  6. Step 6: Final answer
    x = 76,858.03

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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.