Home / 53,778.18-74,215.81-29,580.99

Finding the Fourth Proportional to 53,778.18, 74,215.81 and 29,580.99

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Solution

The fourth proportional to 53,778.18, 74,215.81 and 29,580.99 is: 40,822.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,778.18 : 74,215.81 = 29,580.99 : x
  2. Step 2: Convert to fraction form
    53,778.18/74,215.81 = 29,580.99/x
  3. Step 3: Cross multiply
    53,778.18x = 74,215.81 × 29,580.99
  4. Step 4: Simplify right side
    53,778.18x = 2,195,377,133.45
  5. Step 5: Solve for x
    x = 2,195,377,133.45/53,778.18
  6. Step 6: Final answer
    x = 40,822.82

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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.