Home / 111,078.09-153,287.13-60,090.67

Finding the Fourth Proportional to 111,078.09, 153,287.13 and 60,090.67

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Solution

The fourth proportional to 111,078.09, 153,287.13 and 60,090.67 is: 82,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,078.09 : 153,287.13 = 60,090.67 : x
  2. Step 2: Convert to fraction form
    111,078.09/153,287.13 = 60,090.67/x
  3. Step 3: Cross multiply
    111,078.09x = 153,287.13 × 60,090.67
  4. Step 4: Simplify right side
    111,078.09x = 9,211,126,976.59
  5. Step 5: Solve for x
    x = 9,211,126,976.59/111,078.09
  6. Step 6: Final answer
    x = 82,924.79

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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.