Home / 103,250.98-142,505.86-67,471.66

Finding the Fourth Proportional to 103,250.98, 142,505.86 and 67,471.66

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Solution

The fourth proportional to 103,250.98, 142,505.86 and 67,471.66 is: 93,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,250.98 : 142,505.86 = 67,471.66 : x
  2. Step 2: Convert to fraction form
    103,250.98/142,505.86 = 67,471.66/x
  3. Step 3: Cross multiply
    103,250.98x = 142,505.86 × 67,471.66
  4. Step 4: Simplify right side
    103,250.98x = 9,615,106,408.98
  5. Step 5: Solve for x
    x = 9,615,106,408.98/103,250.98
  6. Step 6: Final answer
    x = 93,123.64

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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.