Home / 64,421.96-89,497.55-63,845.24

Finding the Fourth Proportional to 64,421.96, 89,497.55 and 63,845.24

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Solution

The fourth proportional to 64,421.96, 89,497.55 and 63,845.24 is: 88,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,421.96 : 89,497.55 = 63,845.24 : x
  2. Step 2: Convert to fraction form
    64,421.96/89,497.55 = 63,845.24/x
  3. Step 3: Cross multiply
    64,421.96x = 89,497.55 × 63,845.24
  4. Step 4: Simplify right side
    64,421.96x = 5,713,992,559.16
  5. Step 5: Solve for x
    x = 5,713,992,559.16/64,421.96
  6. Step 6: Final answer
    x = 88,696.35

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.