Home / 82,319.07-123,465.75-26,151.81

Finding the Fourth Proportional to 82,319.07, 123,465.75 and 26,151.81

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Solution

The fourth proportional to 82,319.07, 123,465.75 and 26,151.81 is: 39,223.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,319.07 : 123,465.75 = 26,151.81 : x
  2. Step 2: Convert to fraction form
    82,319.07/123,465.75 = 26,151.81/x
  3. Step 3: Cross multiply
    82,319.07x = 123,465.75 × 26,151.81
  4. Step 4: Simplify right side
    82,319.07x = 3,228,852,835.51
  5. Step 5: Solve for x
    x = 3,228,852,835.51/82,319.07
  6. Step 6: Final answer
    x = 39,223.63

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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.