Home / 92,005.02-126,930.96-51,709.50

Finding the Fourth Proportional to 92,005.02, 126,930.96 and 51,709.50

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Solution

The fourth proportional to 92,005.02, 126,930.96 and 51,709.50 is: 71,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,005.02 : 126,930.96 = 51,709.50 : x
  2. Step 2: Convert to fraction form
    92,005.02/126,930.96 = 51,709.50/x
  3. Step 3: Cross multiply
    92,005.02x = 126,930.96 × 51,709.50
  4. Step 4: Simplify right side
    92,005.02x = 6,563,536,476.12
  5. Step 5: Solve for x
    x = 6,563,536,476.12/92,005.02
  6. Step 6: Final answer
    x = 71,338.90

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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.