Home / 92,850.50-128,135.20-52,563.23

Finding the Fourth Proportional to 92,850.50, 128,135.20 and 52,563.23

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Solution

The fourth proportional to 92,850.50, 128,135.20 and 52,563.23 is: 72,538.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,850.50 : 128,135.20 = 52,563.23 : x
  2. Step 2: Convert to fraction form
    92,850.50/128,135.20 = 52,563.23/x
  3. Step 3: Cross multiply
    92,850.50x = 128,135.20 × 52,563.23
  4. Step 4: Simplify right side
    92,850.50x = 6,735,199,348.02
  5. Step 5: Solve for x
    x = 6,735,199,348.02/92,850.50
  6. Step 6: Final answer
    x = 72,538.11

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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.