Home / 115,503.73-159,387.65-67,101.37

Finding the Fourth Proportional to 115,503.73, 159,387.65 and 67,101.37

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Solution

The fourth proportional to 115,503.73, 159,387.65 and 67,101.37 is: 92,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,503.73 : 159,387.65 = 67,101.37 : x
  2. Step 2: Convert to fraction form
    115,503.73/159,387.65 = 67,101.37/x
  3. Step 3: Cross multiply
    115,503.73x = 159,387.65 × 67,101.37
  4. Step 4: Simplify right side
    115,503.73x = 10,695,129,193.73
  5. Step 5: Solve for x
    x = 10,695,129,193.73/115,503.73
  6. Step 6: Final answer
    x = 92,595.53

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1.5x scale

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.