Home / 76,204.68-105,166.23-45,989.52

Finding the Fourth Proportional to 76,204.68, 105,166.23 and 45,989.52

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Solution

The fourth proportional to 76,204.68, 105,166.23 and 45,989.52 is: 63,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,204.68 : 105,166.23 = 45,989.52 : x
  2. Step 2: Convert to fraction form
    76,204.68/105,166.23 = 45,989.52/x
  3. Step 3: Cross multiply
    76,204.68x = 105,166.23 × 45,989.52
  4. Step 4: Simplify right side
    76,204.68x = 4,836,544,437.91
  5. Step 5: Solve for x
    x = 4,836,544,437.91/76,204.68
  6. Step 6: Final answer
    x = 63,467.81

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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.