Home / 76,452.92-105,504.30-42,918.68

Finding the Fourth Proportional to 76,452.92, 105,504.30 and 42,918.68

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Solution

The fourth proportional to 76,452.92, 105,504.30 and 42,918.68 is: 59,227.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,452.92 : 105,504.30 = 42,918.68 : x
  2. Step 2: Convert to fraction form
    76,452.92/105,504.30 = 42,918.68/x
  3. Step 3: Cross multiply
    76,452.92x = 105,504.30 × 42,918.68
  4. Step 4: Simplify right side
    76,452.92x = 4,528,105,290.32
  5. Step 5: Solve for x
    x = 4,528,105,290.32/76,452.92
  6. Step 6: Final answer
    x = 59,227.37

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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.