Home / 73,220.50-109,920.52-48,281.40

Finding the Fourth Proportional to 73,220.50, 109,920.52 and 48,281.40

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Solution

The fourth proportional to 73,220.50, 109,920.52 and 48,281.40 is: 72,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,220.50 : 109,920.52 = 48,281.40 : x
  2. Step 2: Convert to fraction form
    73,220.50/109,920.52 = 48,281.40/x
  3. Step 3: Cross multiply
    73,220.50x = 109,920.52 × 48,281.40
  4. Step 4: Simplify right side
    73,220.50x = 5,307,116,594.33
  5. Step 5: Solve for x
    x = 5,307,116,594.33/73,220.50
  6. Step 6: Final answer
    x = 72,481.29

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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.