Home / 98,541.46-147,806.72-87,573.66

Finding the Fourth Proportional to 98,541.46, 147,806.72 and 87,573.66

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Solution

The fourth proportional to 98,541.46, 147,806.72 and 87,573.66 is: 131,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,541.46 : 147,806.72 = 87,573.66 : x
  2. Step 2: Convert to fraction form
    98,541.46/147,806.72 = 87,573.66/x
  3. Step 3: Cross multiply
    98,541.46x = 147,806.72 × 87,573.66
  4. Step 4: Simplify right side
    98,541.46x = 12,943,975,271.85
  5. Step 5: Solve for x
    x = 12,943,975,271.85/98,541.46
  6. Step 6: Final answer
    x = 131,355.63

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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.