Home / 63,066.37-87,407.27-61,885.39

Finding the Fourth Proportional to 63,066.37, 87,407.27 and 61,885.39

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Solution

The fourth proportional to 63,066.37, 87,407.27 and 61,885.39 is: 85,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,066.37 : 87,407.27 = 61,885.39 : x
  2. Step 2: Convert to fraction form
    63,066.37/87,407.27 = 61,885.39/x
  3. Step 3: Cross multiply
    63,066.37x = 87,407.27 × 61,885.39
  4. Step 4: Simplify right side
    63,066.37x = 5,409,232,992.79
  5. Step 5: Solve for x
    x = 5,409,232,992.79/63,066.37
  6. Step 6: Final answer
    x = 85,770.48

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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.