Home / 58,909.96-81,319.44-40,058.56

Finding the Fourth Proportional to 58,909.96, 81,319.44 and 40,058.56

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Solution

The fourth proportional to 58,909.96, 81,319.44 and 40,058.56 is: 55,296.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,909.96 : 81,319.44 = 40,058.56 : x
  2. Step 2: Convert to fraction form
    58,909.96/81,319.44 = 40,058.56/x
  3. Step 3: Cross multiply
    58,909.96x = 81,319.44 × 40,058.56
  4. Step 4: Simplify right side
    58,909.96x = 3,257,539,666.41
  5. Step 5: Solve for x
    x = 3,257,539,666.41/58,909.96
  6. Step 6: Final answer
    x = 55,296.93

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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.