Home / 74,024.14-111,078.53-31,326.20

Finding the Fourth Proportional to 74,024.14, 111,078.53 and 31,326.20

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Solution

The fourth proportional to 74,024.14, 111,078.53 and 31,326.20 is: 47,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,024.14 : 111,078.53 = 31,326.20 : x
  2. Step 2: Convert to fraction form
    74,024.14/111,078.53 = 31,326.20/x
  3. Step 3: Cross multiply
    74,024.14x = 111,078.53 × 31,326.20
  4. Step 4: Simplify right side
    74,024.14x = 3,479,668,246.49
  5. Step 5: Solve for x
    x = 3,479,668,246.49/74,024.14
  6. Step 6: Final answer
    x = 47,007.21

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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.