Home / 121,327.61-167,424.98-70,336.35

Finding the Fourth Proportional to 121,327.61, 167,424.98 and 70,336.35

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Solution

The fourth proportional to 121,327.61, 167,424.98 and 70,336.35 is: 97,060.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,327.61 : 167,424.98 = 70,336.35 : x
  2. Step 2: Convert to fraction form
    121,327.61/167,424.98 = 70,336.35/x
  3. Step 3: Cross multiply
    121,327.61x = 167,424.98 × 70,336.35
  4. Step 4: Simplify right side
    121,327.61x = 11,776,061,640.34
  5. Step 5: Solve for x
    x = 11,776,061,640.34/121,327.61
  6. Step 6: Final answer
    x = 97,060.04

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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.