Home / 64,455.14-96,678.80-38,326.16

Finding the Fourth Proportional to 64,455.14, 96,678.80 and 38,326.16

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Solution

The fourth proportional to 64,455.14, 96,678.80 and 38,326.16 is: 57,486.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,455.14 : 96,678.80 = 38,326.16 : x
  2. Step 2: Convert to fraction form
    64,455.14/96,678.80 = 38,326.16/x
  3. Step 3: Cross multiply
    64,455.14x = 96,678.80 × 38,326.16
  4. Step 4: Simplify right side
    64,455.14x = 3,705,327,157.41
  5. Step 5: Solve for x
    x = 3,705,327,157.41/64,455.14
  6. Step 6: Final answer
    x = 57,486.92

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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.