Home / 76,039.95-114,057.55-31,665.58

Finding the Fourth Proportional to 76,039.95, 114,057.55 and 31,665.58

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Solution

The fourth proportional to 76,039.95, 114,057.55 and 31,665.58 is: 47,497.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,039.95 : 114,057.55 = 31,665.58 : x
  2. Step 2: Convert to fraction form
    76,039.95/114,057.55 = 31,665.58/x
  3. Step 3: Cross multiply
    76,039.95x = 114,057.55 × 31,665.58
  4. Step 4: Simplify right side
    76,039.95x = 3,611,698,474.13
  5. Step 5: Solve for x
    x = 3,611,698,474.13/76,039.95
  6. Step 6: Final answer
    x = 47,497.38

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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.