Home / 58,456.10-87,707.31-30,393.85

Finding the Fourth Proportional to 58,456.10, 87,707.31 and 30,393.85

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Solution

The fourth proportional to 58,456.10, 87,707.31 and 30,393.85 is: 45,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,456.10 : 87,707.31 = 30,393.85 : x
  2. Step 2: Convert to fraction form
    58,456.10/87,707.31 = 30,393.85/x
  3. Step 3: Cross multiply
    58,456.10x = 87,707.31 × 30,393.85
  4. Step 4: Simplify right side
    58,456.10x = 2,665,762,672.07
  5. Step 5: Solve for x
    x = 2,665,762,672.07/58,456.10
  6. Step 6: Final answer
    x = 45,602.81

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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.