Home / 76,034.85-104,923.56-42,040.67

Finding the Fourth Proportional to 76,034.85, 104,923.56 and 42,040.67

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Solution

The fourth proportional to 76,034.85, 104,923.56 and 42,040.67 is: 58,013.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,034.85 : 104,923.56 = 42,040.67 : x
  2. Step 2: Convert to fraction form
    76,034.85/104,923.56 = 42,040.67/x
  3. Step 3: Cross multiply
    76,034.85x = 104,923.56 × 42,040.67
  4. Step 4: Simplify right side
    76,034.85x = 4,411,056,236.57
  5. Step 5: Solve for x
    x = 4,411,056,236.57/76,034.85
  6. Step 6: Final answer
    x = 58,013.61

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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.