Home / 121,262.59-167,342.42-70,304.98

Finding the Fourth Proportional to 121,262.59, 167,342.42 and 70,304.98

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Solution

The fourth proportional to 121,262.59, 167,342.42 and 70,304.98 is: 97,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,262.59 : 167,342.42 = 70,304.98 : x
  2. Step 2: Convert to fraction form
    121,262.59/167,342.42 = 70,304.98/x
  3. Step 3: Cross multiply
    121,262.59x = 167,342.42 × 70,304.98
  4. Step 4: Simplify right side
    121,262.59x = 11,765,005,491.25
  5. Step 5: Solve for x
    x = 11,765,005,491.25/121,262.59
  6. Step 6: Final answer
    x = 97,020.90

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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.