Home / 83,146.80-124,628.04-49,911.60

Finding the Fourth Proportional to 83,146.80, 124,628.04 and 49,911.60

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Solution

The fourth proportional to 83,146.80, 124,628.04 and 49,911.60 is: 74,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,146.80 : 124,628.04 = 49,911.60 : x
  2. Step 2: Convert to fraction form
    83,146.80/124,628.04 = 49,911.60/x
  3. Step 3: Cross multiply
    83,146.80x = 124,628.04 × 49,911.60
  4. Step 4: Simplify right side
    83,146.80x = 6,220,384,881.26
  5. Step 5: Solve for x
    x = 6,220,384,881.26/83,146.80
  6. Step 6: Final answer
    x = 74,812.08

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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.