Home / 120,506.84-180,639.96-41,570.72

Finding the Fourth Proportional to 120,506.84, 180,639.96 and 41,570.72

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Solution

The fourth proportional to 120,506.84, 180,639.96 and 41,570.72 is: 62,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,506.84 : 180,639.96 = 41,570.72 : x
  2. Step 2: Convert to fraction form
    120,506.84/180,639.96 = 41,570.72/x
  3. Step 3: Cross multiply
    120,506.84x = 180,639.96 × 41,570.72
  4. Step 4: Simplify right side
    120,506.84x = 7,509,333,197.97
  5. Step 5: Solve for x
    x = 7,509,333,197.97/120,506.84
  6. Step 6: Final answer
    x = 62,314.58

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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.