Home / 74,959.42-112,383.55-45,370.33

Finding the Fourth Proportional to 74,959.42, 112,383.55 and 45,370.33

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Solution

The fourth proportional to 74,959.42, 112,383.55 and 45,370.33 is: 68,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,959.42 : 112,383.55 = 45,370.33 : x
  2. Step 2: Convert to fraction form
    74,959.42/112,383.55 = 45,370.33/x
  3. Step 3: Cross multiply
    74,959.42x = 112,383.55 × 45,370.33
  4. Step 4: Simplify right side
    74,959.42x = 5,098,878,750.07
  5. Step 5: Solve for x
    x = 5,098,878,750.07/74,959.42
  6. Step 6: Final answer
    x = 68,021.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.