Home / 92,847.41-128,129.96-54,608.57

Finding the Fourth Proportional to 92,847.41, 128,129.96 and 54,608.57

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Solution

The fourth proportional to 92,847.41, 128,129.96 and 54,608.57 is: 75,360.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,847.41 : 128,129.96 = 54,608.57 : x
  2. Step 2: Convert to fraction form
    92,847.41/128,129.96 = 54,608.57/x
  3. Step 3: Cross multiply
    92,847.41x = 128,129.96 × 54,608.57
  4. Step 4: Simplify right side
    92,847.41x = 6,996,993,937.04
  5. Step 5: Solve for x
    x = 6,996,993,937.04/92,847.41
  6. Step 6: Final answer
    x = 75,360.14

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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.