Home / 111,077.67-153,286.47-60,090.20

Finding the Fourth Proportional to 111,077.67, 153,286.47 and 60,090.20

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Solution

The fourth proportional to 111,077.67, 153,286.47 and 60,090.20 is: 82,924.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,077.67 : 153,286.47 = 60,090.20 : x
  2. Step 2: Convert to fraction form
    111,077.67/153,286.47 = 60,090.20/x
  3. Step 3: Cross multiply
    111,077.67x = 153,286.47 × 60,090.20
  4. Step 4: Simplify right side
    111,077.67x = 9,211,014,447.99
  5. Step 5: Solve for x
    x = 9,211,014,447.99/111,077.67
  6. Step 6: Final answer
    x = 82,924.08

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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.