Home / 111,995.10-168,031.05-49,710.30

Finding the Fourth Proportional to 111,995.10, 168,031.05 and 49,710.30

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Solution

The fourth proportional to 111,995.10, 168,031.05 and 49,710.30 is: 74,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,995.10 : 168,031.05 = 49,710.30 : x
  2. Step 2: Convert to fraction form
    111,995.10/168,031.05 = 49,710.30/x
  3. Step 3: Cross multiply
    111,995.10x = 168,031.05 × 49,710.30
  4. Step 4: Simplify right side
    111,995.10x = 8,352,873,904.82
  5. Step 5: Solve for x
    x = 8,352,873,904.82/111,995.10
  6. Step 6: Final answer
    x = 74,582.49

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1.5x scale

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.