Home / 114,962.35-158,645.69-71,965.55

Finding the Fourth Proportional to 114,962.35, 158,645.69 and 71,965.55

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Solution

The fourth proportional to 114,962.35, 158,645.69 and 71,965.55 is: 99,310.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,962.35 : 158,645.69 = 71,965.55 : x
  2. Step 2: Convert to fraction form
    114,962.35/158,645.69 = 71,965.55/x
  3. Step 3: Cross multiply
    114,962.35x = 158,645.69 × 71,965.55
  4. Step 4: Simplify right side
    114,962.35x = 11,417,023,182.92
  5. Step 5: Solve for x
    x = 11,417,023,182.92/114,962.35
  6. Step 6: Final answer
    x = 99,310.98

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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.