Home / 58,730.30-81,048.41-31,873.04

Finding the Fourth Proportional to 58,730.30, 81,048.41 and 31,873.04

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Solution

The fourth proportional to 58,730.30, 81,048.41 and 31,873.04 is: 43,985.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,730.30 : 81,048.41 = 31,873.04 : x
  2. Step 2: Convert to fraction form
    58,730.30/81,048.41 = 31,873.04/x
  3. Step 3: Cross multiply
    58,730.30x = 81,048.41 × 31,873.04
  4. Step 4: Simplify right side
    58,730.30x = 2,583,259,213.87
  5. Step 5: Solve for x
    x = 2,583,259,213.87/58,730.30
  6. Step 6: Final answer
    x = 43,985.12

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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.