Home / 107,740.40-161,684.40-37,619.72

Finding the Fourth Proportional to 107,740.40, 161,684.40 and 37,619.72

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Solution

The fourth proportional to 107,740.40, 161,684.40 and 37,619.72 is: 56,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,740.40 : 161,684.40 = 37,619.72 : x
  2. Step 2: Convert to fraction form
    107,740.40/161,684.40 = 37,619.72/x
  3. Step 3: Cross multiply
    107,740.40x = 161,684.40 × 37,619.72
  4. Step 4: Simplify right side
    107,740.40x = 6,082,521,856.37
  5. Step 5: Solve for x
    x = 6,082,521,856.37/107,740.40
  6. Step 6: Final answer
    x = 56,455.35

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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.