Home / 86,700.64-119,187.26-74,556.58

Finding the Fourth Proportional to 86,700.64, 119,187.26 and 74,556.58

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Solution

The fourth proportional to 86,700.64, 119,187.26 and 74,556.58 is: 102,492.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,700.64 : 119,187.26 = 74,556.58 : x
  2. Step 2: Convert to fraction form
    86,700.64/119,187.26 = 74,556.58/x
  3. Step 3: Cross multiply
    86,700.64x = 119,187.26 × 74,556.58
  4. Step 4: Simplify right side
    86,700.64x = 8,886,194,485.17
  5. Step 5: Solve for x
    x = 8,886,194,485.17/86,700.64
  6. Step 6: Final answer
    x = 102,492.84

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.