Home / 57,638.36-79,541.28-32,146.34

Finding the Fourth Proportional to 57,638.36, 79,541.28 and 32,146.34

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Solution

The fourth proportional to 57,638.36, 79,541.28 and 32,146.34 is: 44,362.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,638.36 : 79,541.28 = 32,146.34 : x
  2. Step 2: Convert to fraction form
    57,638.36/79,541.28 = 32,146.34/x
  3. Step 3: Cross multiply
    57,638.36x = 79,541.28 × 32,146.34
  4. Step 4: Simplify right side
    57,638.36x = 2,556,961,030.92
  5. Step 5: Solve for x
    x = 2,556,961,030.92/57,638.36
  6. Step 6: Final answer
    x = 44,362.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.