Home / 74,508.81-111,763.45-18,350.25

Finding the Fourth Proportional to 74,508.81, 111,763.45 and 18,350.25

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Solution

The fourth proportional to 74,508.81, 111,763.45 and 18,350.25 is: 27,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,508.81 : 111,763.45 = 18,350.25 : x
  2. Step 2: Convert to fraction form
    74,508.81/111,763.45 = 18,350.25/x
  3. Step 3: Cross multiply
    74,508.81x = 111,763.45 × 18,350.25
  4. Step 4: Simplify right side
    74,508.81x = 2,050,886,748.97
  5. Step 5: Solve for x
    x = 2,050,886,748.97/74,508.81
  6. Step 6: Final answer
    x = 27,525.43

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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.