Home / 107,827.20-161,740.80-37,713.60

Finding the Fourth Proportional to 107,827.20, 161,740.80 and 37,713.60

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Solution

The fourth proportional to 107,827.20, 161,740.80 and 37,713.60 is: 56,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,827.20 : 161,740.80 = 37,713.60 : x
  2. Step 2: Convert to fraction form
    107,827.20/161,740.80 = 37,713.60/x
  3. Step 3: Cross multiply
    107,827.20x = 161,740.80 × 37,713.60
  4. Step 4: Simplify right side
    107,827.20x = 6,099,827,834.88
  5. Step 5: Solve for x
    x = 6,099,827,834.88/107,827.20
  6. Step 6: Final answer
    x = 56,570.40

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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.