Home / 55,031.08-75,940.84-29,880.04

Finding the Fourth Proportional to 55,031.08, 75,940.84 and 29,880.04

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Solution

The fourth proportional to 55,031.08, 75,940.84 and 29,880.04 is: 41,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,031.08 : 75,940.84 = 29,880.04 : x
  2. Step 2: Convert to fraction form
    55,031.08/75,940.84 = 29,880.04/x
  3. Step 3: Cross multiply
    55,031.08x = 75,940.84 × 29,880.04
  4. Step 4: Simplify right side
    55,031.08x = 2,269,115,336.83
  5. Step 5: Solve for x
    x = 2,269,115,336.83/55,031.08
  6. Step 6: Final answer
    x = 41,233.34

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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.