Home / 124,354.73-171,637.22-79,023.87

Finding the Fourth Proportional to 124,354.73, 171,637.22 and 79,023.87

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Solution

The fourth proportional to 124,354.73, 171,637.22 and 79,023.87 is: 109,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,354.73 : 171,637.22 = 79,023.87 : x
  2. Step 2: Convert to fraction form
    124,354.73/171,637.22 = 79,023.87/x
  3. Step 3: Cross multiply
    124,354.73x = 171,637.22 × 79,023.87
  4. Step 4: Simplify right side
    124,354.73x = 13,563,437,558.00
  5. Step 5: Solve for x
    x = 13,563,437,558.00/124,354.73
  6. Step 6: Final answer
    x = 109,070.54

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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.