Home / 82,802.30-124,222.73-23,638.78

Finding the Fourth Proportional to 82,802.30, 124,222.73 and 23,638.78

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Solution

The fourth proportional to 82,802.30, 124,222.73 and 23,638.78 is: 35,463.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,802.30 : 124,222.73 = 23,638.78 : x
  2. Step 2: Convert to fraction form
    82,802.30/124,222.73 = 23,638.78/x
  3. Step 3: Cross multiply
    82,802.30x = 124,222.73 × 23,638.78
  4. Step 4: Simplify right side
    82,802.30x = 2,936,473,785.47
  5. Step 5: Solve for x
    x = 2,936,473,785.47/82,802.30
  6. Step 6: Final answer
    x = 35,463.67

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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.