Home / 83,137.77-114,729.96-45,412.02

Finding the Fourth Proportional to 83,137.77, 114,729.96 and 45,412.02

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Solution

The fourth proportional to 83,137.77, 114,729.96 and 45,412.02 is: 62,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,137.77 : 114,729.96 = 45,412.02 : x
  2. Step 2: Convert to fraction form
    83,137.77/114,729.96 = 45,412.02/x
  3. Step 3: Cross multiply
    83,137.77x = 114,729.96 × 45,412.02
  4. Step 4: Simplify right side
    83,137.77x = 5,210,119,238.12
  5. Step 5: Solve for x
    x = 5,210,119,238.12/83,137.77
  6. Step 6: Final answer
    x = 62,668.50

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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.