Home / 77,675.60-107,135.52-50,774.96

Finding the Fourth Proportional to 77,675.60, 107,135.52 and 50,774.96

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Solution

The fourth proportional to 77,675.60, 107,135.52 and 50,774.96 is: 70,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,675.60 : 107,135.52 = 50,774.96 : x
  2. Step 2: Convert to fraction form
    77,675.60/107,135.52 = 50,774.96/x
  3. Step 3: Cross multiply
    77,675.60x = 107,135.52 × 50,774.96
  4. Step 4: Simplify right side
    77,675.60x = 5,439,801,742.58
  5. Step 5: Solve for x
    x = 5,439,801,742.58/77,675.60
  6. Step 6: Final answer
    x = 70,032.31

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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.