Home / 92,039.72-126,984.29-75,014.73

Finding the Fourth Proportional to 92,039.72, 126,984.29 and 75,014.73

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Solution

The fourth proportional to 92,039.72, 126,984.29 and 75,014.73 is: 103,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,039.72 : 126,984.29 = 75,014.73 : x
  2. Step 2: Convert to fraction form
    92,039.72/126,984.29 = 75,014.73/x
  3. Step 3: Cross multiply
    92,039.72x = 126,984.29 × 75,014.73
  4. Step 4: Simplify right side
    92,039.72x = 9,525,691,853.52
  5. Step 5: Solve for x
    x = 9,525,691,853.52/92,039.72
  6. Step 6: Final answer
    x = 103,495.45

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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.