Home / 85,678.27-118,237.58-47,952.43

Finding the Fourth Proportional to 85,678.27, 118,237.58 and 47,952.43

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Solution

The fourth proportional to 85,678.27, 118,237.58 and 47,952.43 is: 66,175.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,678.27 : 118,237.58 = 47,952.43 : x
  2. Step 2: Convert to fraction form
    85,678.27/118,237.58 = 47,952.43/x
  3. Step 3: Cross multiply
    85,678.27x = 118,237.58 × 47,952.43
  4. Step 4: Simplify right side
    85,678.27x = 5,669,778,922.78
  5. Step 5: Solve for x
    x = 5,669,778,922.78/85,678.27
  6. Step 6: Final answer
    x = 66,175.23

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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.