Home / 92,941.97-128,261.09-50,501.21

Finding the Fourth Proportional to 92,941.97, 128,261.09 and 50,501.21

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Solution

The fourth proportional to 92,941.97, 128,261.09 and 50,501.21 is: 69,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,941.97 : 128,261.09 = 50,501.21 : x
  2. Step 2: Convert to fraction form
    92,941.97/128,261.09 = 50,501.21/x
  3. Step 3: Cross multiply
    92,941.97x = 128,261.09 × 50,501.21
  4. Step 4: Simplify right side
    92,941.97x = 6,477,339,988.41
  5. Step 5: Solve for x
    x = 6,477,339,988.41/92,941.97
  6. Step 6: Final answer
    x = 69,692.30

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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.