Home / 58,539.42-80,784.54-31,682.18

Finding the Fourth Proportional to 58,539.42, 80,784.54 and 31,682.18

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Solution

The fourth proportional to 58,539.42, 80,784.54 and 31,682.18 is: 43,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,539.42 : 80,784.54 = 31,682.18 : x
  2. Step 2: Convert to fraction form
    58,539.42/80,784.54 = 31,682.18/x
  3. Step 3: Cross multiply
    58,539.42x = 80,784.54 × 31,682.18
  4. Step 4: Simplify right side
    58,539.42x = 2,559,430,539.46
  5. Step 5: Solve for x
    x = 2,559,430,539.46/58,539.42
  6. Step 6: Final answer
    x = 43,721.49

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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.