Home / 48,991.13-67,605.79-28,848.86

Finding the Fourth Proportional to 48,991.13, 67,605.79 and 28,848.86

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Solution

The fourth proportional to 48,991.13, 67,605.79 and 28,848.86 is: 39,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,991.13 : 67,605.79 = 28,848.86 : x
  2. Step 2: Convert to fraction form
    48,991.13/67,605.79 = 28,848.86/x
  3. Step 3: Cross multiply
    48,991.13x = 67,605.79 × 28,848.86
  4. Step 4: Simplify right side
    48,991.13x = 1,950,349,868.36
  5. Step 5: Solve for x
    x = 1,950,349,868.36/48,991.13
  6. Step 6: Final answer
    x = 39,810.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.