Home / 82,209.70-123,318.80-26,055.77

Finding the Fourth Proportional to 82,209.70, 123,318.80 and 26,055.77

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Solution

The fourth proportional to 82,209.70, 123,318.80 and 26,055.77 is: 39,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,209.70 : 123,318.80 = 26,055.77 : x
  2. Step 2: Convert to fraction form
    82,209.70/123,318.80 = 26,055.77/x
  3. Step 3: Cross multiply
    82,209.70x = 123,318.80 × 26,055.77
  4. Step 4: Simplify right side
    82,209.70x = 3,213,166,159.20
  5. Step 5: Solve for x
    x = 3,213,166,159.20/82,209.70
  6. Step 6: Final answer
    x = 39,085.00

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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.