Home / 82,600.28-113,981.30-45,807.67

Finding the Fourth Proportional to 82,600.28, 113,981.30 and 45,807.67

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Solution

The fourth proportional to 82,600.28, 113,981.30 and 45,807.67 is: 63,210.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,600.28 : 113,981.30 = 45,807.67 : x
  2. Step 2: Convert to fraction form
    82,600.28/113,981.30 = 45,807.67/x
  3. Step 3: Cross multiply
    82,600.28x = 113,981.30 × 45,807.67
  4. Step 4: Simplify right side
    82,600.28x = 5,221,217,776.57
  5. Step 5: Solve for x
    x = 5,221,217,776.57/82,600.28
  6. Step 6: Final answer
    x = 63,210.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.