Home / 83,091.47-114,665.64-45,365.72

Finding the Fourth Proportional to 83,091.47, 114,665.64 and 45,365.72

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Solution

The fourth proportional to 83,091.47, 114,665.64 and 45,365.72 is: 62,604.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,091.47 : 114,665.64 = 45,365.72 : x
  2. Step 2: Convert to fraction form
    83,091.47/114,665.64 = 45,365.72/x
  3. Step 3: Cross multiply
    83,091.47x = 114,665.64 × 45,365.72
  4. Step 4: Simplify right side
    83,091.47x = 5,201,889,317.86
  5. Step 5: Solve for x
    x = 5,201,889,317.86/83,091.47
  6. Step 6: Final answer
    x = 62,604.37

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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.