Home / 81,587.52-122,333.54-46,033.56

Finding the Fourth Proportional to 81,587.52, 122,333.54 and 46,033.56

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Solution

The fourth proportional to 81,587.52, 122,333.54 and 46,033.56 is: 69,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,587.52 : 122,333.54 = 46,033.56 : x
  2. Step 2: Convert to fraction form
    81,587.52/122,333.54 = 46,033.56/x
  3. Step 3: Cross multiply
    81,587.52x = 122,333.54 × 46,033.56
  4. Step 4: Simplify right side
    81,587.52x = 5,631,448,123.43
  5. Step 5: Solve for x
    x = 5,631,448,123.43/81,587.52
  6. Step 6: Final answer
    x = 69,023.40

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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.