Home / 107,421.32-161,186.52-48,244.88

Finding the Fourth Proportional to 107,421.32, 161,186.52 and 48,244.88

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Solution

The fourth proportional to 107,421.32, 161,186.52 and 48,244.88 is: 72,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,421.32 : 161,186.52 = 48,244.88 : x
  2. Step 2: Convert to fraction form
    107,421.32/161,186.52 = 48,244.88/x
  3. Step 3: Cross multiply
    107,421.32x = 161,186.52 × 48,244.88
  4. Step 4: Simplify right side
    107,421.32x = 7,776,424,315.02
  5. Step 5: Solve for x
    x = 7,776,424,315.02/107,421.32
  6. Step 6: Final answer
    x = 72,391.81

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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.