Home / 82,430.70-123,666.30-23,265.60

Finding the Fourth Proportional to 82,430.70, 123,666.30 and 23,265.60

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Solution

The fourth proportional to 82,430.70, 123,666.30 and 23,265.60 is: 34,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,430.70 : 123,666.30 = 23,265.60 : x
  2. Step 2: Convert to fraction form
    82,430.70/123,666.30 = 23,265.60/x
  3. Step 3: Cross multiply
    82,430.70x = 123,666.30 × 23,265.60
  4. Step 4: Simplify right side
    82,430.70x = 2,877,170,669.28
  5. Step 5: Solve for x
    x = 2,877,170,669.28/82,430.70
  6. Step 6: Final answer
    x = 34,904.12

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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.