Home / 66,515.19-99,865.05-41,653.05

Finding the Fourth Proportional to 66,515.19, 99,865.05 and 41,653.05

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Solution

The fourth proportional to 66,515.19, 99,865.05 and 41,653.05 is: 62,537.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,515.19 : 99,865.05 = 41,653.05 : x
  2. Step 2: Convert to fraction form
    66,515.19/99,865.05 = 41,653.05/x
  3. Step 3: Cross multiply
    66,515.19x = 99,865.05 × 41,653.05
  4. Step 4: Simplify right side
    66,515.19x = 4,159,683,920.90
  5. Step 5: Solve for x
    x = 4,159,683,920.90/66,515.19
  6. Step 6: Final answer
    x = 62,537.35

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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.