Home / 74,074.74-111,129.81-24,154.90

Finding the Fourth Proportional to 74,074.74, 111,129.81 and 24,154.90

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Solution

The fourth proportional to 74,074.74, 111,129.81 and 24,154.90 is: 36,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,074.74 : 111,129.81 = 24,154.90 : x
  2. Step 2: Convert to fraction form
    74,074.74/111,129.81 = 24,154.90/x
  3. Step 3: Cross multiply
    74,074.74x = 111,129.81 × 24,154.90
  4. Step 4: Simplify right side
    74,074.74x = 2,684,329,804.46
  5. Step 5: Solve for x
    x = 2,684,329,804.46/74,074.74
  6. Step 6: Final answer
    x = 36,238.12

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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.