Home / 74,637.04-111,920.08-27,218.56

Finding the Fourth Proportional to 74,637.04, 111,920.08 and 27,218.56

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Solution

The fourth proportional to 74,637.04, 111,920.08 and 27,218.56 is: 40,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,637.04 : 111,920.08 = 27,218.56 : x
  2. Step 2: Convert to fraction form
    74,637.04/111,920.08 = 27,218.56/x
  3. Step 3: Cross multiply
    74,637.04x = 111,920.08 × 27,218.56
  4. Step 4: Simplify right side
    74,637.04x = 3,046,303,412.68
  5. Step 5: Solve for x
    x = 3,046,303,412.68/74,637.04
  6. Step 6: Final answer
    x = 40,814.90

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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.