Home / 85,233.08-117,621.78-47,506.52

Finding the Fourth Proportional to 85,233.08, 117,621.78 and 47,506.52

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Solution

The fourth proportional to 85,233.08, 117,621.78 and 47,506.52 is: 65,559.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,233.08 : 117,621.78 = 47,506.52 : x
  2. Step 2: Convert to fraction form
    85,233.08/117,621.78 = 47,506.52/x
  3. Step 3: Cross multiply
    85,233.08x = 117,621.78 × 47,506.52
  4. Step 4: Simplify right side
    85,233.08x = 5,587,801,444.01
  5. Step 5: Solve for x
    x = 5,587,801,444.01/85,233.08
  6. Step 6: Final answer
    x = 65,559.07

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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.