Home / 99,090.42-148,708.53-65,799.42

Finding the Fourth Proportional to 99,090.42, 148,708.53 and 65,799.42

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Solution

The fourth proportional to 99,090.42, 148,708.53 and 65,799.42 is: 98,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,090.42 : 148,708.53 = 65,799.42 : x
  2. Step 2: Convert to fraction form
    99,090.42/148,708.53 = 65,799.42/x
  3. Step 3: Cross multiply
    99,090.42x = 148,708.53 × 65,799.42
  4. Step 4: Simplify right side
    99,090.42x = 9,784,935,023.05
  5. Step 5: Solve for x
    x = 9,784,935,023.05/99,090.42
  6. Step 6: Final answer
    x = 98,747.54

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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.