Home / 84,501.08-126,633.40-56,071.44

Finding the Fourth Proportional to 84,501.08, 126,633.40 and 56,071.44

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Solution

The fourth proportional to 84,501.08, 126,633.40 and 56,071.44 is: 84,028.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,501.08 : 126,633.40 = 56,071.44 : x
  2. Step 2: Convert to fraction form
    84,501.08/126,633.40 = 56,071.44/x
  3. Step 3: Cross multiply
    84,501.08x = 126,633.40 × 56,071.44
  4. Step 4: Simplify right side
    84,501.08x = 7,100,517,090.10
  5. Step 5: Solve for x
    x = 7,100,517,090.10/84,501.08
  6. Step 6: Final answer
    x = 84,028.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.