Home / 58,731.16-81,048.72-31,873.88

Finding the Fourth Proportional to 58,731.16, 81,048.72 and 31,873.88

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Solution

The fourth proportional to 58,731.16, 81,048.72 and 31,873.88 is: 43,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,731.16 : 81,048.72 = 31,873.88 : x
  2. Step 2: Convert to fraction form
    58,731.16/81,048.72 = 31,873.88/x
  3. Step 3: Cross multiply
    58,731.16x = 81,048.72 × 31,873.88
  4. Step 4: Simplify right side
    58,731.16x = 2,583,337,175.43
  5. Step 5: Solve for x
    x = 2,583,337,175.43/58,731.16
  6. Step 6: Final answer
    x = 43,985.80

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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.