Home / 58,770.90-81,105.48-31,915.04

Finding the Fourth Proportional to 58,770.90, 81,105.48 and 31,915.04

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Solution

The fourth proportional to 58,770.90, 81,105.48 and 31,915.04 is: 44,043.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,770.90 : 81,105.48 = 31,915.04 : x
  2. Step 2: Convert to fraction form
    58,770.90/81,105.48 = 31,915.04/x
  3. Step 3: Cross multiply
    58,770.90x = 81,105.48 × 31,915.04
  4. Step 4: Simplify right side
    58,770.90x = 2,588,484,232.89
  5. Step 5: Solve for x
    x = 2,588,484,232.89/58,770.90
  6. Step 6: Final answer
    x = 44,043.64

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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.