Home / 74,244.16-111,344.28-21,637.18

Finding the Fourth Proportional to 74,244.16, 111,344.28 and 21,637.18

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Solution

The fourth proportional to 74,244.16, 111,344.28 and 21,637.18 is: 32,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,244.16 : 111,344.28 = 21,637.18 : x
  2. Step 2: Convert to fraction form
    74,244.16/111,344.28 = 21,637.18/x
  3. Step 3: Cross multiply
    74,244.16x = 111,344.28 × 21,637.18
  4. Step 4: Simplify right side
    74,244.16x = 2,409,176,228.33
  5. Step 5: Solve for x
    x = 2,409,176,228.33/74,244.16
  6. Step 6: Final answer
    x = 32,449.37

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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.