Home / 76,998.24-115,500.60-37,590.12

Finding the Fourth Proportional to 76,998.24, 115,500.60 and 37,590.12

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Solution

The fourth proportional to 76,998.24, 115,500.60 and 37,590.12 is: 56,386.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,998.24 : 115,500.60 = 37,590.12 : x
  2. Step 2: Convert to fraction form
    76,998.24/115,500.60 = 37,590.12/x
  3. Step 3: Cross multiply
    76,998.24x = 115,500.60 × 37,590.12
  4. Step 4: Simplify right side
    76,998.24x = 4,341,681,414.07
  5. Step 5: Solve for x
    x = 4,341,681,414.07/76,998.24
  6. Step 6: Final answer
    x = 56,386.76

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1.5x scale

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.