Home / 66,429.33-99,559.75-65,726.25

Finding the Fourth Proportional to 66,429.33, 99,559.75 and 65,726.25

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Solution

The fourth proportional to 66,429.33, 99,559.75 and 65,726.25 is: 98,506.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429.33 : 99,559.75 = 65,726.25 : x
  2. Step 2: Convert to fraction form
    66,429.33/99,559.75 = 65,726.25/x
  3. Step 3: Cross multiply
    66,429.33x = 99,559.75 × 65,726.25
  4. Step 4: Simplify right side
    66,429.33x = 6,543,689,018.44
  5. Step 5: Solve for x
    x = 6,543,689,018.44/66,429.33
  6. Step 6: Final answer
    x = 98,506.02

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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.