Home / 78,015.61-116,917.35-32,999.53

Finding the Fourth Proportional to 78,015.61, 116,917.35 and 32,999.53

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Solution

The fourth proportional to 78,015.61, 116,917.35 and 32,999.53 is: 49,454.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,015.61 : 116,917.35 = 32,999.53 : x
  2. Step 2: Convert to fraction form
    78,015.61/116,917.35 = 32,999.53/x
  3. Step 3: Cross multiply
    78,015.61x = 116,917.35 × 32,999.53
  4. Step 4: Simplify right side
    78,015.61x = 3,858,217,598.85
  5. Step 5: Solve for x
    x = 3,858,217,598.85/78,015.61
  6. Step 6: Final answer
    x = 49,454.43

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1.5x scale

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.