Home / 57,996.81-87,390.36-47,697.59

Finding the Fourth Proportional to 57,996.81, 87,390.36 and 47,697.59

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Solution

The fourth proportional to 57,996.81, 87,390.36 and 47,697.59 is: 71,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,996.81 : 87,390.36 = 47,697.59 : x
  2. Step 2: Convert to fraction form
    57,996.81/87,390.36 = 47,697.59/x
  3. Step 3: Cross multiply
    57,996.81x = 87,390.36 × 47,697.59
  4. Step 4: Simplify right side
    57,996.81x = 4,168,309,779.71
  5. Step 5: Solve for x
    x = 4,168,309,779.71/57,996.81
  6. Step 6: Final answer
    x = 71,871.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.