Home / 85,233.72-117,624.08-47,503.92

Finding the Fourth Proportional to 85,233.72, 117,624.08 and 47,503.92

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Solution

The fourth proportional to 85,233.72, 117,624.08 and 47,503.92 is: 65,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,233.72 : 117,624.08 = 47,503.92 : x
  2. Step 2: Convert to fraction form
    85,233.72/117,624.08 = 47,503.92/x
  3. Step 3: Cross multiply
    85,233.72x = 117,624.08 × 47,503.92
  4. Step 4: Simplify right side
    85,233.72x = 5,587,604,886.39
  5. Step 5: Solve for x
    x = 5,587,604,886.39/85,233.72
  6. Step 6: Final answer
    x = 65,556.27

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1.5x scale

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.