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Finding the Fourth Proportional to 64,257.84, 88,667.94 and 35,575.32

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Solution

The fourth proportional to 64,257.84, 88,667.94 and 35,575.32 is: 49,089.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,257.84 : 88,667.94 = 35,575.32 : x
  2. Step 2: Convert to fraction form
    64,257.84/88,667.94 = 35,575.32/x
  3. Step 3: Cross multiply
    64,257.84x = 88,667.94 × 35,575.32
  4. Step 4: Simplify right side
    64,257.84x = 3,154,390,339.24
  5. Step 5: Solve for x
    x = 3,154,390,339.24/64,257.84
  6. Step 6: Final answer
    x = 49,089.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.