Home / 81,588.40-122,265.96-46,455.46

Finding the Fourth Proportional to 81,588.40, 122,265.96 and 46,455.46

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Solution

The fourth proportional to 81,588.40, 122,265.96 and 46,455.46 is: 69,616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,588.40 : 122,265.96 = 46,455.46 : x
  2. Step 2: Convert to fraction form
    81,588.40/122,265.96 = 46,455.46/x
  3. Step 3: Cross multiply
    81,588.40x = 122,265.96 × 46,455.46
  4. Step 4: Simplify right side
    81,588.40x = 5,679,920,934.27
  5. Step 5: Solve for x
    x = 5,679,920,934.27/81,588.40
  6. Step 6: Final answer
    x = 69,616.77

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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.