Home / 58,743.16-81,063.36-31,885.09

Finding the Fourth Proportional to 58,743.16, 81,063.36 and 31,885.09

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Solution

The fourth proportional to 58,743.16, 81,063.36 and 31,885.09 is: 44,000.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,743.16 : 81,063.36 = 31,885.09 : x
  2. Step 2: Convert to fraction form
    58,743.16/81,063.36 = 31,885.09/x
  3. Step 3: Cross multiply
    58,743.16x = 81,063.36 × 31,885.09
  4. Step 4: Simplify right side
    58,743.16x = 2,584,712,326.64
  5. Step 5: Solve for x
    x = 2,584,712,326.64/58,743.16
  6. Step 6: Final answer
    x = 44,000.23

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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.