Home / 76,979.10-115,468.65-24,404.70

Finding the Fourth Proportional to 76,979.10, 115,468.65 and 24,404.70

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Solution

The fourth proportional to 76,979.10, 115,468.65 and 24,404.70 is: 36,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,979.10 : 115,468.65 = 24,404.70 : x
  2. Step 2: Convert to fraction form
    76,979.10/115,468.65 = 24,404.70/x
  3. Step 3: Cross multiply
    76,979.10x = 115,468.65 × 24,404.70
  4. Step 4: Simplify right side
    76,979.10x = 2,817,977,762.66
  5. Step 5: Solve for x
    x = 2,817,977,762.66/76,979.10
  6. Step 6: Final answer
    x = 36,607.05

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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.