Home / 85,563.12-118,081.56-51,582.42

Finding the Fourth Proportional to 85,563.12, 118,081.56 and 51,582.42

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Solution

The fourth proportional to 85,563.12, 118,081.56 and 51,582.42 is: 71,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,563.12 : 118,081.56 = 51,582.42 : x
  2. Step 2: Convert to fraction form
    85,563.12/118,081.56 = 51,582.42/x
  3. Step 3: Cross multiply
    85,563.12x = 118,081.56 × 51,582.42
  4. Step 4: Simplify right side
    85,563.12x = 6,090,932,622.18
  5. Step 5: Solve for x
    x = 6,090,932,622.18/85,563.12
  6. Step 6: Final answer
    x = 71,186.42

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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.