Home / 84,030.39-115,960.41-45,790.26

Finding the Fourth Proportional to 84,030.39, 115,960.41 and 45,790.26

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Solution

The fourth proportional to 84,030.39, 115,960.41 and 45,790.26 is: 63,189.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,030.39 : 115,960.41 = 45,790.26 : x
  2. Step 2: Convert to fraction form
    84,030.39/115,960.41 = 45,790.26/x
  3. Step 3: Cross multiply
    84,030.39x = 115,960.41 × 45,790.26
  4. Step 4: Simplify right side
    84,030.39x = 5,309,857,323.61
  5. Step 5: Solve for x
    x = 5,309,857,323.61/84,030.39
  6. Step 6: Final answer
    x = 63,189.73

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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.