Home / 98,430.72-147,658.26-35,257.62

Finding the Fourth Proportional to 98,430.72, 147,658.26 and 35,257.62

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Solution

The fourth proportional to 98,430.72, 147,658.26 and 35,257.62 is: 52,890.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,430.72 : 147,658.26 = 35,257.62 : x
  2. Step 2: Convert to fraction form
    98,430.72/147,658.26 = 35,257.62/x
  3. Step 3: Cross multiply
    98,430.72x = 147,658.26 × 35,257.62
  4. Step 4: Simplify right side
    98,430.72x = 5,206,078,820.94
  5. Step 5: Solve for x
    x = 5,206,078,820.94/98,430.72
  6. Step 6: Final answer
    x = 52,890.79

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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.