Home / 76,234.17-105,201.58-42,242.36

Finding the Fourth Proportional to 76,234.17, 105,201.58 and 42,242.36

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Solution

The fourth proportional to 76,234.17, 105,201.58 and 42,242.36 is: 58,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,234.17 : 105,201.58 = 42,242.36 : x
  2. Step 2: Convert to fraction form
    76,234.17/105,201.58 = 42,242.36/x
  3. Step 3: Cross multiply
    76,234.17x = 105,201.58 × 42,242.36
  4. Step 4: Simplify right side
    76,234.17x = 4,443,962,488.92
  5. Step 5: Solve for x
    x = 4,443,962,488.92/76,234.17
  6. Step 6: Final answer
    x = 58,293.58

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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.