Home / 58,821.12-81,174.96-33,678.72

Finding the Fourth Proportional to 58,821.12, 81,174.96 and 33,678.72

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Solution

The fourth proportional to 58,821.12, 81,174.96 and 33,678.72 is: 46,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,821.12 : 81,174.96 = 33,678.72 : x
  2. Step 2: Convert to fraction form
    58,821.12/81,174.96 = 33,678.72/x
  3. Step 3: Cross multiply
    58,821.12x = 81,174.96 × 33,678.72
  4. Step 4: Simplify right side
    58,821.12x = 2,733,868,748.85
  5. Step 5: Solve for x
    x = 2,733,868,748.85/58,821.12
  6. Step 6: Final answer
    x = 46,477.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.