Home / 57,779.28-86,418.69-34,030.20

Finding the Fourth Proportional to 57,779.28, 86,418.69 and 34,030.20

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Solution

The fourth proportional to 57,779.28, 86,418.69 and 34,030.20 is: 50,897.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,779.28 : 86,418.69 = 34,030.20 : x
  2. Step 2: Convert to fraction form
    57,779.28/86,418.69 = 34,030.20/x
  3. Step 3: Cross multiply
    57,779.28x = 86,418.69 × 34,030.20
  4. Step 4: Simplify right side
    57,779.28x = 2,940,845,304.44
  5. Step 5: Solve for x
    x = 2,940,845,304.44/57,779.28
  6. Step 6: Final answer
    x = 50,897.92

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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.