Home / 98,491.10-147,715.04-28,355.18

Finding the Fourth Proportional to 98,491.10, 147,715.04 and 28,355.18

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Solution

The fourth proportional to 98,491.10, 147,715.04 and 28,355.18 is: 42,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,491.10 : 147,715.04 = 28,355.18 : x
  2. Step 2: Convert to fraction form
    98,491.10/147,715.04 = 28,355.18/x
  3. Step 3: Cross multiply
    98,491.10x = 147,715.04 × 28,355.18
  4. Step 4: Simplify right side
    98,491.10x = 4,188,485,880.22
  5. Step 5: Solve for x
    x = 4,188,485,880.22/98,491.10
  6. Step 6: Final answer
    x = 42,526.54

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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.