Home / 92,455.20-138,682.80-25,897.50

Finding the Fourth Proportional to 92,455.20, 138,682.80 and 25,897.50

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Solution

The fourth proportional to 92,455.20, 138,682.80 and 25,897.50 is: 38,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,455.20 : 138,682.80 = 25,897.50 : x
  2. Step 2: Convert to fraction form
    92,455.20/138,682.80 = 25,897.50/x
  3. Step 3: Cross multiply
    92,455.20x = 138,682.80 × 25,897.50
  4. Step 4: Simplify right side
    92,455.20x = 3,591,537,813.00
  5. Step 5: Solve for x
    x = 3,591,537,813.00/92,455.20
  6. Step 6: Final answer
    x = 38,846.25

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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.