Home / 89,733.12-134,537.04-64,448.16

Finding the Fourth Proportional to 89,733.12, 134,537.04 and 64,448.16

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Solution

The fourth proportional to 89,733.12, 134,537.04 and 64,448.16 is: 96,627.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,733.12 : 134,537.04 = 64,448.16 : x
  2. Step 2: Convert to fraction form
    89,733.12/134,537.04 = 64,448.16/x
  3. Step 3: Cross multiply
    89,733.12x = 134,537.04 × 64,448.16
  4. Step 4: Simplify right side
    89,733.12x = 8,670,664,679.85
  5. Step 5: Solve for x
    x = 8,670,664,679.85/89,733.12
  6. Step 6: Final answer
    x = 96,627.25

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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.