Home / 73,225.18-109,712.40-39,968.59

Finding the Fourth Proportional to 73,225.18, 109,712.40 and 39,968.59

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Solution

The fourth proportional to 73,225.18, 109,712.40 and 39,968.59 is: 59,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,225.18 : 109,712.40 = 39,968.59 : x
  2. Step 2: Convert to fraction form
    73,225.18/109,712.40 = 39,968.59/x
  3. Step 3: Cross multiply
    73,225.18x = 109,712.40 × 39,968.59
  4. Step 4: Simplify right side
    73,225.18x = 4,385,049,933.52
  5. Step 5: Solve for x
    x = 4,385,049,933.52/73,225.18
  6. Step 6: Final answer
    x = 59,884.45

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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.