Home / 83,216.04-124,811.75-30,613.23

Finding the Fourth Proportional to 83,216.04, 124,811.75 and 30,613.23

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Solution

The fourth proportional to 83,216.04, 124,811.75 and 30,613.23 is: 45,915.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,216.04 : 124,811.75 = 30,613.23 : x
  2. Step 2: Convert to fraction form
    83,216.04/124,811.75 = 30,613.23/x
  3. Step 3: Cross multiply
    83,216.04x = 124,811.75 × 30,613.23
  4. Step 4: Simplify right side
    83,216.04x = 3,820,890,809.45
  5. Step 5: Solve for x
    x = 3,820,890,809.45/83,216.04
  6. Step 6: Final answer
    x = 45,915.32

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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.