Home / 71,335.49-98,442.79-41,120.65

Finding the Fourth Proportional to 71,335.49, 98,442.79 and 41,120.65

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Solution

The fourth proportional to 71,335.49, 98,442.79 and 41,120.65 is: 56,746.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,335.49 : 98,442.79 = 41,120.65 : x
  2. Step 2: Convert to fraction form
    71,335.49/98,442.79 = 41,120.65/x
  3. Step 3: Cross multiply
    71,335.49x = 98,442.79 × 41,120.65
  4. Step 4: Simplify right side
    71,335.49x = 4,048,031,163.70
  5. Step 5: Solve for x
    x = 4,048,031,163.70/71,335.49
  6. Step 6: Final answer
    x = 56,746.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.