Home / 118,017.04-162,789.12-70,234.72

Finding the Fourth Proportional to 118,017.04, 162,789.12 and 70,234.72

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Solution

The fourth proportional to 118,017.04, 162,789.12 and 70,234.72 is: 96,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,017.04 : 162,789.12 = 70,234.72 : x
  2. Step 2: Convert to fraction form
    118,017.04/162,789.12 = 70,234.72/x
  3. Step 3: Cross multiply
    118,017.04x = 162,789.12 × 70,234.72
  4. Step 4: Simplify right side
    118,017.04x = 11,433,448,262.25
  5. Step 5: Solve for x
    x = 11,433,448,262.25/118,017.04
  6. Step 6: Final answer
    x = 96,879.64

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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.