Home / 83,222.40-124,883.04-30,668.76

Finding the Fourth Proportional to 83,222.40, 124,883.04 and 30,668.76

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Solution

The fourth proportional to 83,222.40, 124,883.04 and 30,668.76 is: 46,021.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,222.40 : 124,883.04 = 30,668.76 : x
  2. Step 2: Convert to fraction form
    83,222.40/124,883.04 = 30,668.76/x
  3. Step 3: Cross multiply
    83,222.40x = 124,883.04 × 30,668.76
  4. Step 4: Simplify right side
    83,222.40x = 3,830,007,981.83
  5. Step 5: Solve for x
    x = 3,830,007,981.83/83,222.40
  6. Step 6: Final answer
    x = 46,021.36

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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.