Home / 99,066.42-136,742.94-66,847.86

Finding the Fourth Proportional to 99,066.42, 136,742.94 and 66,847.86

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Solution

The fourth proportional to 99,066.42, 136,742.94 and 66,847.86 is: 92,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,066.42 : 136,742.94 = 66,847.86 : x
  2. Step 2: Convert to fraction form
    99,066.42/136,742.94 = 66,847.86/x
  3. Step 3: Cross multiply
    99,066.42x = 136,742.94 × 66,847.86
  4. Step 4: Simplify right side
    99,066.42x = 9,140,972,909.11
  5. Step 5: Solve for x
    x = 9,140,972,909.11/99,066.42
  6. Step 6: Final answer
    x = 92,271.15

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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.