Home / 75,905.31-104,748.80-41,915.91

Finding the Fourth Proportional to 75,905.31, 104,748.80 and 41,915.91

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Solution

The fourth proportional to 75,905.31, 104,748.80 and 41,915.91 is: 57,843.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,905.31 : 104,748.80 = 41,915.91 : x
  2. Step 2: Convert to fraction form
    75,905.31/104,748.80 = 41,915.91/x
  3. Step 3: Cross multiply
    75,905.31x = 104,748.80 × 41,915.91
  4. Step 4: Simplify right side
    75,905.31x = 4,390,641,063.83
  5. Step 5: Solve for x
    x = 4,390,641,063.83/75,905.31
  6. Step 6: Final answer
    x = 57,843.66

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1.5x scale

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.