Home / 52,035.96-78,068.52-20,893.08

Finding the Fourth Proportional to 52,035.96, 78,068.52 and 20,893.08

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Solution

The fourth proportional to 52,035.96, 78,068.52 and 20,893.08 is: 31,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,035.96 : 78,068.52 = 20,893.08 : x
  2. Step 2: Convert to fraction form
    52,035.96/78,068.52 = 20,893.08/x
  3. Step 3: Cross multiply
    52,035.96x = 78,068.52 × 20,893.08
  4. Step 4: Simplify right side
    52,035.96x = 1,631,091,833.84
  5. Step 5: Solve for x
    x = 1,631,091,833.84/52,035.96
  6. Step 6: Final answer
    x = 31,345.47

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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.