Home / 72,876.14-109,181.04-52,835.95

Finding the Fourth Proportional to 72,876.14, 109,181.04 and 52,835.95

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Solution

The fourth proportional to 72,876.14, 109,181.04 and 52,835.95 is: 79,157.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,876.14 : 109,181.04 = 52,835.95 : x
  2. Step 2: Convert to fraction form
    72,876.14/109,181.04 = 52,835.95/x
  3. Step 3: Cross multiply
    72,876.14x = 109,181.04 × 52,835.95
  4. Step 4: Simplify right side
    72,876.14x = 5,768,683,970.39
  5. Step 5: Solve for x
    x = 5,768,683,970.39/72,876.14
  6. Step 6: Final answer
    x = 79,157.38

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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.