Home / 75,204.89-112,807.49-30,823.67

Finding the Fourth Proportional to 75,204.89, 112,807.49 and 30,823.67

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Solution

The fourth proportional to 75,204.89, 112,807.49 and 30,823.67 is: 46,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,204.89 : 112,807.49 = 30,823.67 : x
  2. Step 2: Convert to fraction form
    75,204.89/112,807.49 = 30,823.67/x
  3. Step 3: Cross multiply
    75,204.89x = 112,807.49 × 30,823.67
  4. Step 4: Simplify right side
    75,204.89x = 3,477,140,973.19
  5. Step 5: Solve for x
    x = 3,477,140,973.19/75,204.89
  6. Step 6: Final answer
    x = 46,235.57

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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.