Home / 76,764.33-105,957.59-48,488.85

Finding the Fourth Proportional to 76,764.33, 105,957.59 and 48,488.85

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Solution

The fourth proportional to 76,764.33, 105,957.59 and 48,488.85 is: 66,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,764.33 : 105,957.59 = 48,488.85 : x
  2. Step 2: Convert to fraction form
    76,764.33/105,957.59 = 48,488.85/x
  3. Step 3: Cross multiply
    76,764.33x = 105,957.59 × 48,488.85
  4. Step 4: Simplify right side
    76,764.33x = 5,137,761,445.43
  5. Step 5: Solve for x
    x = 5,137,761,445.43/76,764.33
  6. Step 6: Final answer
    x = 66,929.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.