Home / 63,066.12-87,406.92-61,885.14

Finding the Fourth Proportional to 63,066.12, 87,406.92 and 61,885.14

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Solution

The fourth proportional to 63,066.12, 87,406.92 and 61,885.14 is: 85,770.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,066.12 : 87,406.92 = 61,885.14 : x
  2. Step 2: Convert to fraction form
    63,066.12/87,406.92 = 61,885.14/x
  3. Step 3: Cross multiply
    63,066.12x = 87,406.92 × 61,885.14
  4. Step 4: Simplify right side
    63,066.12x = 5,409,189,481.17
  5. Step 5: Solve for x
    x = 5,409,189,481.17/63,066.12
  6. Step 6: Final answer
    x = 85,770.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.