Home / 121,323.42-167,427.99-70,339.86

Finding the Fourth Proportional to 121,323.42, 167,427.99 and 70,339.86

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Solution

The fourth proportional to 121,323.42, 167,427.99 and 70,339.86 is: 97,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,323.42 : 167,427.99 = 70,339.86 : x
  2. Step 2: Convert to fraction form
    121,323.42/167,427.99 = 70,339.86/x
  3. Step 3: Cross multiply
    121,323.42x = 167,427.99 × 70,339.86
  4. Step 4: Simplify right side
    121,323.42x = 11,776,861,376.68
  5. Step 5: Solve for x
    x = 11,776,861,376.68/121,323.42
  6. Step 6: Final answer
    x = 97,069.98

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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.