Home / 98,933.27-148,347.63-45,578.67

Finding the Fourth Proportional to 98,933.27, 148,347.63 and 45,578.67

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Solution

The fourth proportional to 98,933.27, 148,347.63 and 45,578.67 is: 68,343.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,933.27 : 148,347.63 = 45,578.67 : x
  2. Step 2: Convert to fraction form
    98,933.27/148,347.63 = 45,578.67/x
  3. Step 3: Cross multiply
    98,933.27x = 148,347.63 × 45,578.67
  4. Step 4: Simplify right side
    98,933.27x = 6,761,488,240.24
  5. Step 5: Solve for x
    x = 6,761,488,240.24/98,933.27
  6. Step 6: Final answer
    x = 68,343.93

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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.