Home / 107,925.40-161,811.30-41,339.80

Finding the Fourth Proportional to 107,925.40, 161,811.30 and 41,339.80

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Solution

The fourth proportional to 107,925.40, 161,811.30 and 41,339.80 is: 61,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,925.40 : 161,811.30 = 41,339.80 : x
  2. Step 2: Convert to fraction form
    107,925.40/161,811.30 = 41,339.80/x
  3. Step 3: Cross multiply
    107,925.40x = 161,811.30 × 41,339.80
  4. Step 4: Simplify right side
    107,925.40x = 6,689,246,779.74
  5. Step 5: Solve for x
    x = 6,689,246,779.74/107,925.40
  6. Step 6: Final answer
    x = 61,980.28

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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.