Home / 121,337.07-167,445.72-70,379.97

Finding the Fourth Proportional to 121,337.07, 167,445.72 and 70,379.97

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Solution

The fourth proportional to 121,337.07, 167,445.72 and 70,379.97 is: 97,124.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,337.07 : 167,445.72 = 70,379.97 : x
  2. Step 2: Convert to fraction form
    121,337.07/167,445.72 = 70,379.97/x
  3. Step 3: Cross multiply
    121,337.07x = 167,445.72 × 70,379.97
  4. Step 4: Simplify right side
    121,337.07x = 11,784,824,750.23
  5. Step 5: Solve for x
    x = 11,784,824,750.23/121,337.07
  6. Step 6: Final answer
    x = 97,124.69

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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.