Home / 64,759.69-97,135.07-39,803.59

Finding the Fourth Proportional to 64,759.69, 97,135.07 and 39,803.59

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Solution

The fourth proportional to 64,759.69, 97,135.07 and 39,803.59 is: 59,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,759.69 : 97,135.07 = 39,803.59 : x
  2. Step 2: Convert to fraction form
    64,759.69/97,135.07 = 39,803.59/x
  3. Step 3: Cross multiply
    64,759.69x = 97,135.07 × 39,803.59
  4. Step 4: Simplify right side
    64,759.69x = 3,866,324,357.57
  5. Step 5: Solve for x
    x = 3,866,324,357.57/64,759.69
  6. Step 6: Final answer
    x = 59,702.64

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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.