Home / 76,933.61-115,415.36-29,545.22

Finding the Fourth Proportional to 76,933.61, 115,415.36 and 29,545.22

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Solution

The fourth proportional to 76,933.61, 115,415.36 and 29,545.22 is: 44,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,933.61 : 115,415.36 = 29,545.22 : x
  2. Step 2: Convert to fraction form
    76,933.61/115,415.36 = 29,545.22/x
  3. Step 3: Cross multiply
    76,933.61x = 115,415.36 × 29,545.22
  4. Step 4: Simplify right side
    76,933.61x = 3,409,971,477.78
  5. Step 5: Solve for x
    x = 3,409,971,477.78/76,933.61
  6. Step 6: Final answer
    x = 44,323.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.