Home / 66,656.06-91,985.58-36,441.74

Finding the Fourth Proportional to 66,656.06, 91,985.58 and 36,441.74

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Solution

The fourth proportional to 66,656.06, 91,985.58 and 36,441.74 is: 50,289.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,656.06 : 91,985.58 = 36,441.74 : x
  2. Step 2: Convert to fraction form
    66,656.06/91,985.58 = 36,441.74/x
  3. Step 3: Cross multiply
    66,656.06x = 91,985.58 × 36,441.74
  4. Step 4: Simplify right side
    66,656.06x = 3,352,114,590.11
  5. Step 5: Solve for x
    x = 3,352,114,590.11/66,656.06
  6. Step 6: Final answer
    x = 50,289.72

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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.