Home / 52,074.18-78,111.62-18,770.93

Finding the Fourth Proportional to 52,074.18, 78,111.62 and 18,770.93

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Solution

The fourth proportional to 52,074.18, 78,111.62 and 18,770.93 is: 28,156.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,074.18 : 78,111.62 = 18,770.93 : x
  2. Step 2: Convert to fraction form
    52,074.18/78,111.62 = 18,770.93/x
  3. Step 3: Cross multiply
    52,074.18x = 78,111.62 × 18,770.93
  4. Step 4: Simplify right side
    52,074.18x = 1,466,227,751.21
  5. Step 5: Solve for x
    x = 1,466,227,751.21/52,074.18
  6. Step 6: Final answer
    x = 28,156.52

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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.