Home / 76,667.64-114,962.55-35,079

Finding the Fourth Proportional to 76,667.64, 114,962.55 and 35,079

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Solution

The fourth proportional to 76,667.64, 114,962.55 and 35,079 is: 52,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,667.64 : 114,962.55 = 35,079 : x
  2. Step 2: Convert to fraction form
    76,667.64/114,962.55 = 35,079/x
  3. Step 3: Cross multiply
    76,667.64x = 114,962.55 × 35,079
  4. Step 4: Simplify right side
    76,667.64x = 4,032,771,291.45
  5. Step 5: Solve for x
    x = 4,032,771,291.45/76,667.64
  6. Step 6: Final answer
    x = 52,600.70

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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.