Home / 84,030.22-115,802.19-60,115.37

Finding the Fourth Proportional to 84,030.22, 115,802.19 and 60,115.37

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Solution

The fourth proportional to 84,030.22, 115,802.19 and 60,115.37 is: 82,845.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,030.22 : 115,802.19 = 60,115.37 : x
  2. Step 2: Convert to fraction form
    84,030.22/115,802.19 = 60,115.37/x
  3. Step 3: Cross multiply
    84,030.22x = 115,802.19 × 60,115.37
  4. Step 4: Simplify right side
    84,030.22x = 6,961,491,498.66
  5. Step 5: Solve for x
    x = 6,961,491,498.66/84,030.22
  6. Step 6: Final answer
    x = 82,845.09

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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.