Home / 61,968.08-92,959.80-20,429.52

Finding the Fourth Proportional to 61,968.08, 92,959.80 and 20,429.52

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Solution

The fourth proportional to 61,968.08, 92,959.80 and 20,429.52 is: 30,646.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,968.08 : 92,959.80 = 20,429.52 : x
  2. Step 2: Convert to fraction form
    61,968.08/92,959.80 = 20,429.52/x
  3. Step 3: Cross multiply
    61,968.08x = 92,959.80 × 20,429.52
  4. Step 4: Simplify right side
    61,968.08x = 1,899,124,093.30
  5. Step 5: Solve for x
    x = 1,899,124,093.30/61,968.08
  6. Step 6: Final answer
    x = 30,646.81

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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.