Home / 76,743.35-114,902.47-39,222.63

Finding the Fourth Proportional to 76,743.35, 114,902.47 and 39,222.63

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Solution

The fourth proportional to 76,743.35, 114,902.47 and 39,222.63 is: 58,725.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,743.35 : 114,902.47 = 39,222.63 : x
  2. Step 2: Convert to fraction form
    76,743.35/114,902.47 = 39,222.63/x
  3. Step 3: Cross multiply
    76,743.35x = 114,902.47 × 39,222.63
  4. Step 4: Simplify right side
    76,743.35x = 4,506,777,226.24
  5. Step 5: Solve for x
    x = 4,506,777,226.24/76,743.35
  6. Step 6: Final answer
    x = 58,725.31

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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.