Home / 85,574.33-128,306.82-41,112.62

Finding the Fourth Proportional to 85,574.33, 128,306.82 and 41,112.62

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Solution

The fourth proportional to 85,574.33, 128,306.82 and 41,112.62 is: 61,642.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,574.33 : 128,306.82 = 41,112.62 : x
  2. Step 2: Convert to fraction form
    85,574.33/128,306.82 = 41,112.62/x
  3. Step 3: Cross multiply
    85,574.33x = 128,306.82 × 41,112.62
  4. Step 4: Simplify right side
    85,574.33x = 5,275,029,534.07
  5. Step 5: Solve for x
    x = 5,275,029,534.07/85,574.33
  6. Step 6: Final answer
    x = 61,642.66

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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.