Home / 83,265.49-124,839.81-30,668.23

Finding the Fourth Proportional to 83,265.49, 124,839.81 and 30,668.23

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Solution

The fourth proportional to 83,265.49, 124,839.81 and 30,668.23 is: 45,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,265.49 : 124,839.81 = 30,668.23 : x
  2. Step 2: Convert to fraction form
    83,265.49/124,839.81 = 30,668.23/x
  3. Step 3: Cross multiply
    83,265.49x = 124,839.81 × 30,668.23
  4. Step 4: Simplify right side
    83,265.49x = 3,828,616,006.24
  5. Step 5: Solve for x
    x = 3,828,616,006.24/83,265.49
  6. Step 6: Final answer
    x = 45,980.83

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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.