Home / 112,012.74-168,023.21-37,139.43

Finding the Fourth Proportional to 112,012.74, 168,023.21 and 37,139.43

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Solution

The fourth proportional to 112,012.74, 168,023.21 and 37,139.43 is: 55,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,012.74 : 168,023.21 = 37,139.43 : x
  2. Step 2: Convert to fraction form
    112,012.74/168,023.21 = 37,139.43/x
  3. Step 3: Cross multiply
    112,012.74x = 168,023.21 × 37,139.43
  4. Step 4: Simplify right side
    112,012.74x = 6,240,286,339.02
  5. Step 5: Solve for x
    x = 6,240,286,339.02/112,012.74
  6. Step 6: Final answer
    x = 55,710.51

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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.