Home / 58,365.18-81,087.71-57,665.34

Finding the Fourth Proportional to 58,365.18, 81,087.71 and 57,665.34

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Solution

The fourth proportional to 58,365.18, 81,087.71 and 57,665.34 is: 80,115.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,365.18 : 81,087.71 = 57,665.34 : x
  2. Step 2: Convert to fraction form
    58,365.18/81,087.71 = 57,665.34/x
  3. Step 3: Cross multiply
    58,365.18x = 81,087.71 × 57,665.34
  4. Step 4: Simplify right side
    58,365.18x = 4,675,950,078.64
  5. Step 5: Solve for x
    x = 4,675,950,078.64/58,365.18
  6. Step 6: Final answer
    x = 80,115.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.