Home / 85,562.09-128,236.21-41,176.93

Finding the Fourth Proportional to 85,562.09, 128,236.21 and 41,176.93

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Solution

The fourth proportional to 85,562.09, 128,236.21 and 41,176.93 is: 61,713.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,562.09 : 128,236.21 = 41,176.93 : x
  2. Step 2: Convert to fraction form
    85,562.09/128,236.21 = 41,176.93/x
  3. Step 3: Cross multiply
    85,562.09x = 128,236.21 × 41,176.93
  4. Step 4: Simplify right side
    85,562.09x = 5,280,373,442.64
  5. Step 5: Solve for x
    x = 5,280,373,442.64/85,562.09
  6. Step 6: Final answer
    x = 61,713.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.