Home / 121,060.86-167,064.30-67,346.25

Finding the Fourth Proportional to 121,060.86, 167,064.30 and 67,346.25

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Solution

The fourth proportional to 121,060.86, 167,064.30 and 67,346.25 is: 92,938.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,060.86 : 167,064.30 = 67,346.25 : x
  2. Step 2: Convert to fraction form
    121,060.86/167,064.30 = 67,346.25/x
  3. Step 3: Cross multiply
    121,060.86x = 167,064.30 × 67,346.25
  4. Step 4: Simplify right side
    121,060.86x = 11,251,154,113.88
  5. Step 5: Solve for x
    x = 11,251,154,113.88/121,060.86
  6. Step 6: Final answer
    x = 92,938.00

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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.