Home / 84,030.98-115,961.27-45,790.87

Finding the Fourth Proportional to 84,030.98, 115,961.27 and 45,790.87

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Solution

The fourth proportional to 84,030.98, 115,961.27 and 45,790.87 is: 63,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,030.98 : 115,961.27 = 45,790.87 : x
  2. Step 2: Convert to fraction form
    84,030.98/115,961.27 = 45,790.87/x
  3. Step 3: Cross multiply
    84,030.98x = 115,961.27 × 45,790.87
  4. Step 4: Simplify right side
    84,030.98x = 5,309,966,630.84
  5. Step 5: Solve for x
    x = 5,309,966,630.84/84,030.98
  6. Step 6: Final answer
    x = 63,190.58

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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.