Home / 81,585.05-122,377.40-46,030.22

Finding the Fourth Proportional to 81,585.05, 122,377.40 and 46,030.22

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Solution

The fourth proportional to 81,585.05, 122,377.40 and 46,030.22 is: 69,045.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,585.05 : 122,377.40 = 46,030.22 : x
  2. Step 2: Convert to fraction form
    81,585.05/122,377.40 = 46,030.22/x
  3. Step 3: Cross multiply
    81,585.05x = 122,377.40 × 46,030.22
  4. Step 4: Simplify right side
    81,585.05x = 5,633,059,122.89
  5. Step 5: Solve for x
    x = 5,633,059,122.89/81,585.05
  6. Step 6: Final answer
    x = 69,045.24

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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.