Home / 121,416.03-167,554.74-67,703.31

Finding the Fourth Proportional to 121,416.03, 167,554.74 and 67,703.31

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Solution

The fourth proportional to 121,416.03, 167,554.74 and 67,703.31 is: 93,430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,416.03 : 167,554.74 = 67,703.31 : x
  2. Step 2: Convert to fraction form
    121,416.03/167,554.74 = 67,703.31/x
  3. Step 3: Cross multiply
    121,416.03x = 167,554.74 × 67,703.31
  4. Step 4: Simplify right side
    121,416.03x = 11,344,010,504.19
  5. Step 5: Solve for x
    x = 11,344,010,504.19/121,416.03
  6. Step 6: Final answer
    x = 93,430.91

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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.