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Finding the Fourth Proportional to 69,759.78, 96,283.78 and 45,888.80

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Solution

The fourth proportional to 69,759.78, 96,283.78 and 45,888.80 is: 63,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,759.78 : 96,283.78 = 45,888.80 : x
  2. Step 2: Convert to fraction form
    69,759.78/96,283.78 = 45,888.80/x
  3. Step 3: Cross multiply
    69,759.78x = 96,283.78 × 45,888.80
  4. Step 4: Simplify right side
    69,759.78x = 4,418,347,123.66
  5. Step 5: Solve for x
    x = 4,418,347,123.66/69,759.78
  6. Step 6: Final answer
    x = 63,336.60

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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.