Home / 76,234.64-113,915.09-58,123.24

Finding the Fourth Proportional to 76,234.64, 113,915.09 and 58,123.24

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Solution

The fourth proportional to 76,234.64, 113,915.09 and 58,123.24 is: 86,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,234.64 : 113,915.09 = 58,123.24 : x
  2. Step 2: Convert to fraction form
    76,234.64/113,915.09 = 58,123.24/x
  3. Step 3: Cross multiply
    76,234.64x = 113,915.09 × 58,123.24
  4. Step 4: Simplify right side
    76,234.64x = 6,621,113,976.21
  5. Step 5: Solve for x
    x = 6,621,113,976.21/76,234.64
  6. Step 6: Final answer
    x = 86,851.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.