Home / 61,786.08-85,325.28-52,781.16

Finding the Fourth Proportional to 61,786.08, 85,325.28 and 52,781.16

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Solution

The fourth proportional to 61,786.08, 85,325.28 and 52,781.16 is: 72,889.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,786.08 : 85,325.28 = 52,781.16 : x
  2. Step 2: Convert to fraction form
    61,786.08/85,325.28 = 52,781.16/x
  3. Step 3: Cross multiply
    61,786.08x = 85,325.28 × 52,781.16
  4. Step 4: Simplify right side
    61,786.08x = 4,503,567,255.72
  5. Step 5: Solve for x
    x = 4,503,567,255.72/61,786.08
  6. Step 6: Final answer
    x = 72,889.67

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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.