Home / 82,937.20-124,424.59-30,346.67

Finding the Fourth Proportional to 82,937.20, 124,424.59 and 30,346.67

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Solution

The fourth proportional to 82,937.20, 124,424.59 and 30,346.67 is: 45,526.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,937.20 : 124,424.59 = 30,346.67 : x
  2. Step 2: Convert to fraction form
    82,937.20/124,424.59 = 30,346.67/x
  3. Step 3: Cross multiply
    82,937.20x = 124,424.59 × 30,346.67
  4. Step 4: Simplify right side
    82,937.20x = 3,775,871,972.62
  5. Step 5: Solve for x
    x = 3,775,871,972.62/82,937.20
  6. Step 6: Final answer
    x = 45,526.88

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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.