Home / 113,430.44-170,132.69-30,330.92

Finding the Fourth Proportional to 113,430.44, 170,132.69 and 30,330.92

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Solution

The fourth proportional to 113,430.44, 170,132.69 and 30,330.92 is: 45,492.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,430.44 : 170,132.69 = 30,330.92 : x
  2. Step 2: Convert to fraction form
    113,430.44/170,132.69 = 30,330.92/x
  3. Step 3: Cross multiply
    113,430.44x = 170,132.69 × 30,330.92
  4. Step 4: Simplify right side
    113,430.44x = 5,160,280,234.94
  5. Step 5: Solve for x
    x = 5,160,280,234.94/113,430.44
  6. Step 6: Final answer
    x = 45,492.91

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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.