Home / 90,033.04-124,245.12-49,749.58

Finding the Fourth Proportional to 90,033.04, 124,245.12 and 49,749.58

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Solution

The fourth proportional to 90,033.04, 124,245.12 and 49,749.58 is: 68,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,033.04 : 124,245.12 = 49,749.58 : x
  2. Step 2: Convert to fraction form
    90,033.04/124,245.12 = 49,749.58/x
  3. Step 3: Cross multiply
    90,033.04x = 124,245.12 × 49,749.58
  4. Step 4: Simplify right side
    90,033.04x = 6,181,142,537.05
  5. Step 5: Solve for x
    x = 6,181,142,537.05/90,033.04
  6. Step 6: Final answer
    x = 68,654.16

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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.