Home / 52,558.12-78,795.42-30,346.36

Finding the Fourth Proportional to 52,558.12, 78,795.42 and 30,346.36

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Solution

The fourth proportional to 52,558.12, 78,795.42 and 30,346.36 is: 45,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,558.12 : 78,795.42 = 30,346.36 : x
  2. Step 2: Convert to fraction form
    52,558.12/78,795.42 = 30,346.36/x
  3. Step 3: Cross multiply
    52,558.12x = 78,795.42 × 30,346.36
  4. Step 4: Simplify right side
    52,558.12x = 2,391,154,181.67
  5. Step 5: Solve for x
    x = 2,391,154,181.67/52,558.12
  6. Step 6: Final answer
    x = 45,495.43

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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.