Home / 92,910.09-128,233.90-60,588.60

Finding the Fourth Proportional to 92,910.09, 128,233.90 and 60,588.60

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Solution

The fourth proportional to 92,910.09, 128,233.90 and 60,588.60 is: 83,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,910.09 : 128,233.90 = 60,588.60 : x
  2. Step 2: Convert to fraction form
    92,910.09/128,233.90 = 60,588.60/x
  3. Step 3: Cross multiply
    92,910.09x = 128,233.90 × 60,588.60
  4. Step 4: Simplify right side
    92,910.09x = 7,769,511,680.90
  5. Step 5: Solve for x
    x = 7,769,511,680.90/92,910.09
  6. Step 6: Final answer
    x = 83,623.98

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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.