Home / 124,017.13-171,143.41-67,428.37

Finding the Fourth Proportional to 124,017.13, 171,143.41 and 67,428.37

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Solution

The fourth proportional to 124,017.13, 171,143.41 and 67,428.37 is: 93,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,017.13 : 171,143.41 = 67,428.37 : x
  2. Step 2: Convert to fraction form
    124,017.13/171,143.41 = 67,428.37/x
  3. Step 3: Cross multiply
    124,017.13x = 171,143.41 × 67,428.37
  4. Step 4: Simplify right side
    124,017.13x = 11,539,920,192.00
  5. Step 5: Solve for x
    x = 11,539,920,192.00/124,017.13
  6. Step 6: Final answer
    x = 93,051.02

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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.