Home / 52,465.42-78,705.88-18,728.82

Finding the Fourth Proportional to 52,465.42, 78,705.88 and 18,728.82

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Solution

The fourth proportional to 52,465.42, 78,705.88 and 18,728.82 is: 28,095.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,465.42 : 78,705.88 = 18,728.82 : x
  2. Step 2: Convert to fraction form
    52,465.42/78,705.88 = 18,728.82/x
  3. Step 3: Cross multiply
    52,465.42x = 78,705.88 × 18,728.82
  4. Step 4: Simplify right side
    52,465.42x = 1,474,068,212.64
  5. Step 5: Solve for x
    x = 1,474,068,212.64/52,465.42
  6. Step 6: Final answer
    x = 28,095.99

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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.