Home / 72,416.49-108,624.80-41,186.13

Finding the Fourth Proportional to 72,416.49, 108,624.80 and 41,186.13

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Solution

The fourth proportional to 72,416.49, 108,624.80 and 41,186.13 is: 61,779.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,416.49 : 108,624.80 = 41,186.13 : x
  2. Step 2: Convert to fraction form
    72,416.49/108,624.80 = 41,186.13/x
  3. Step 3: Cross multiply
    72,416.49x = 108,624.80 × 41,186.13
  4. Step 4: Simplify right side
    72,416.49x = 4,473,835,134.02
  5. Step 5: Solve for x
    x = 4,473,835,134.02/72,416.49
  6. Step 6: Final answer
    x = 61,779.23

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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.