Home / 92,540.40-138,810.60-33,385.20

Finding the Fourth Proportional to 92,540.40, 138,810.60 and 33,385.20

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Solution

The fourth proportional to 92,540.40, 138,810.60 and 33,385.20 is: 50,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,540.40 : 138,810.60 = 33,385.20 : x
  2. Step 2: Convert to fraction form
    92,540.40/138,810.60 = 33,385.20/x
  3. Step 3: Cross multiply
    92,540.40x = 138,810.60 × 33,385.20
  4. Step 4: Simplify right side
    92,540.40x = 4,634,219,643.12
  5. Step 5: Solve for x
    x = 4,634,219,643.12/92,540.40
  6. Step 6: Final answer
    x = 50,077.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.