Home / 61,966.08-92,956.80-20,427.52

Finding the Fourth Proportional to 61,966.08, 92,956.80 and 20,427.52

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Solution

The fourth proportional to 61,966.08, 92,956.80 and 20,427.52 is: 30,643.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,966.08 : 92,956.80 = 20,427.52 : x
  2. Step 2: Convert to fraction form
    61,966.08/92,956.80 = 20,427.52/x
  3. Step 3: Cross multiply
    61,966.08x = 92,956.80 × 20,427.52
  4. Step 4: Simplify right side
    61,966.08x = 1,898,876,891.14
  5. Step 5: Solve for x
    x = 1,898,876,891.14/61,966.08
  6. Step 6: Final answer
    x = 30,643.81

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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.