Home / 99,066.28-136,708.78-60,289.54

Finding the Fourth Proportional to 99,066.28, 136,708.78 and 60,289.54

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Solution

The fourth proportional to 99,066.28, 136,708.78 and 60,289.54 is: 83,197.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,066.28 : 136,708.78 = 60,289.54 : x
  2. Step 2: Convert to fraction form
    99,066.28/136,708.78 = 60,289.54/x
  3. Step 3: Cross multiply
    99,066.28x = 136,708.78 × 60,289.54
  4. Step 4: Simplify right side
    99,066.28x = 8,242,109,460.16
  5. Step 5: Solve for x
    x = 8,242,109,460.16/99,066.28
  6. Step 6: Final answer
    x = 83,197.93

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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.