Home / 91,676.15-126,510.81-50,840.04

Finding the Fourth Proportional to 91,676.15, 126,510.81 and 50,840.04

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Solution

The fourth proportional to 91,676.15, 126,510.81 and 50,840.04 is: 70,157.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,676.15 : 126,510.81 = 50,840.04 : x
  2. Step 2: Convert to fraction form
    91,676.15/126,510.81 = 50,840.04/x
  3. Step 3: Cross multiply
    91,676.15x = 126,510.81 × 50,840.04
  4. Step 4: Simplify right side
    91,676.15x = 6,431,814,640.83
  5. Step 5: Solve for x
    x = 6,431,814,640.83/91,676.15
  6. Step 6: Final answer
    x = 70,157.99

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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.