Home / 76,962.38-115,443.58-56,035.60

Finding the Fourth Proportional to 76,962.38, 115,443.58 and 56,035.60

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Solution

The fourth proportional to 76,962.38, 115,443.58 and 56,035.60 is: 84,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,962.38 : 115,443.58 = 56,035.60 : x
  2. Step 2: Convert to fraction form
    76,962.38/115,443.58 = 56,035.60/x
  3. Step 3: Cross multiply
    76,962.38x = 115,443.58 × 56,035.60
  4. Step 4: Simplify right side
    76,962.38x = 6,468,949,842.75
  5. Step 5: Solve for x
    x = 6,468,949,842.75/76,962.38
  6. Step 6: Final answer
    x = 84,053.40

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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.