Home / 98,679.72-148,068.18-46,081.56

Finding the Fourth Proportional to 98,679.72, 148,068.18 and 46,081.56

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Solution

The fourth proportional to 98,679.72, 148,068.18 and 46,081.56 is: 69,145.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,679.72 : 148,068.18 = 46,081.56 : x
  2. Step 2: Convert to fraction form
    98,679.72/148,068.18 = 46,081.56/x
  3. Step 3: Cross multiply
    98,679.72x = 148,068.18 × 46,081.56
  4. Step 4: Simplify right side
    98,679.72x = 6,823,212,720.76
  5. Step 5: Solve for x
    x = 6,823,212,720.76/98,679.72
  6. Step 6: Final answer
    x = 69,145.04

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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.