Home / 66,558.15-91,853.98-36,346.28

Finding the Fourth Proportional to 66,558.15, 91,853.98 and 36,346.28

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Solution

The fourth proportional to 66,558.15, 91,853.98 and 36,346.28 is: 50,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,558.15 : 91,853.98 = 36,346.28 : x
  2. Step 2: Convert to fraction form
    66,558.15/91,853.98 = 36,346.28/x
  3. Step 3: Cross multiply
    66,558.15x = 91,853.98 × 36,346.28
  4. Step 4: Simplify right side
    66,558.15x = 3,338,549,926.06
  5. Step 5: Solve for x
    x = 3,338,549,926.06/66,558.15
  6. Step 6: Final answer
    x = 50,159.90

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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.