Home / 76,220.56-114,330.90-31,823.11

Finding the Fourth Proportional to 76,220.56, 114,330.90 and 31,823.11

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Solution

The fourth proportional to 76,220.56, 114,330.90 and 31,823.11 is: 47,734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,220.56 : 114,330.90 = 31,823.11 : x
  2. Step 2: Convert to fraction form
    76,220.56/114,330.90 = 31,823.11/x
  3. Step 3: Cross multiply
    76,220.56x = 114,330.90 × 31,823.11
  4. Step 4: Simplify right side
    76,220.56x = 3,638,364,235.44
  5. Step 5: Solve for x
    x = 3,638,364,235.44/76,220.56
  6. Step 6: Final answer
    x = 47,734.69

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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.