Home / 76,745.00-105,909.96-42,754.04

Finding the Fourth Proportional to 76,745.00, 105,909.96 and 42,754.04

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Solution

The fourth proportional to 76,745.00, 105,909.96 and 42,754.04 is: 59,001.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,745.00 : 105,909.96 = 42,754.04 : x
  2. Step 2: Convert to fraction form
    76,745.00/105,909.96 = 42,754.04/x
  3. Step 3: Cross multiply
    76,745.00x = 105,909.96 × 42,754.04
  4. Step 4: Simplify right side
    76,745.00x = 4,528,079,289.92
  5. Step 5: Solve for x
    x = 4,528,079,289.92/76,745.00
  6. Step 6: Final answer
    x = 59,001.62

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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.