Home / 124,009.26-171,133.98-67,421.84

Finding the Fourth Proportional to 124,009.26, 171,133.98 and 67,421.84

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Solution

The fourth proportional to 124,009.26, 171,133.98 and 67,421.84 is: 93,042.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,009.26 : 171,133.98 = 67,421.84 : x
  2. Step 2: Convert to fraction form
    124,009.26/171,133.98 = 67,421.84/x
  3. Step 3: Cross multiply
    124,009.26x = 171,133.98 × 67,421.84
  4. Step 4: Simplify right side
    124,009.26x = 11,538,167,818.12
  5. Step 5: Solve for x
    x = 11,538,167,818.12/124,009.26
  6. Step 6: Final answer
    x = 93,042.79

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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.