Home / 92,996.18-128,326.52-51,604.21

Finding the Fourth Proportional to 92,996.18, 128,326.52 and 51,604.21

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Solution

The fourth proportional to 92,996.18, 128,326.52 and 51,604.21 is: 71,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,996.18 : 128,326.52 = 51,604.21 : x
  2. Step 2: Convert to fraction form
    92,996.18/128,326.52 = 51,604.21/x
  3. Step 3: Cross multiply
    92,996.18x = 128,326.52 × 51,604.21
  4. Step 4: Simplify right side
    92,996.18x = 6,622,188,204.57
  5. Step 5: Solve for x
    x = 6,622,188,204.57/92,996.18
  6. Step 6: Final answer
    x = 71,209.25

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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.