Home / 84,782.23-117,005.01-48,973.75

Finding the Fourth Proportional to 84,782.23, 117,005.01 and 48,973.75

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Solution

The fourth proportional to 84,782.23, 117,005.01 and 48,973.75 is: 67,586.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,782.23 : 117,005.01 = 48,973.75 : x
  2. Step 2: Convert to fraction form
    84,782.23/117,005.01 = 48,973.75/x
  3. Step 3: Cross multiply
    84,782.23x = 117,005.01 × 48,973.75
  4. Step 4: Simplify right side
    84,782.23x = 5,730,173,278.59
  5. Step 5: Solve for x
    x = 5,730,173,278.59/84,782.23
  6. Step 6: Final answer
    x = 67,586.97

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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.