Home / 53,370.89-73,651.10-30,710.06

Finding the Fourth Proportional to 53,370.89, 73,651.10 and 30,710.06

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Solution

The fourth proportional to 53,370.89, 73,651.10 and 30,710.06 is: 42,379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,370.89 : 73,651.10 = 30,710.06 : x
  2. Step 2: Convert to fraction form
    53,370.89/73,651.10 = 30,710.06/x
  3. Step 3: Cross multiply
    53,370.89x = 73,651.10 × 30,710.06
  4. Step 4: Simplify right side
    53,370.89x = 2,261,829,178.26
  5. Step 5: Solve for x
    x = 2,261,829,178.26/53,370.89
  6. Step 6: Final answer
    x = 42,379.46

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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.