Home / 58,899.12-81,310.80-45,440.16

Finding the Fourth Proportional to 58,899.12, 81,310.80 and 45,440.16

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Solution

The fourth proportional to 58,899.12, 81,310.80 and 45,440.16 is: 62,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,899.12 : 81,310.80 = 45,440.16 : x
  2. Step 2: Convert to fraction form
    58,899.12/81,310.80 = 45,440.16/x
  3. Step 3: Cross multiply
    58,899.12x = 81,310.80 × 45,440.16
  4. Step 4: Simplify right side
    58,899.12x = 3,694,775,761.73
  5. Step 5: Solve for x
    x = 3,694,775,761.73/58,899.12
  6. Step 6: Final answer
    x = 62,730.58

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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.