Home / 76,034.30-104,923.10-42,040.74

Finding the Fourth Proportional to 76,034.30, 104,923.10 and 42,040.74

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Solution

The fourth proportional to 76,034.30, 104,923.10 and 42,040.74 is: 58,013.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,034.30 : 104,923.10 = 42,040.74 : x
  2. Step 2: Convert to fraction form
    76,034.30/104,923.10 = 42,040.74/x
  3. Step 3: Cross multiply
    76,034.30x = 104,923.10 × 42,040.74
  4. Step 4: Simplify right side
    76,034.30x = 4,411,044,438.99
  5. Step 5: Solve for x
    x = 4,411,044,438.99/76,034.30
  6. Step 6: Final answer
    x = 58,013.88

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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.