Home / 79,023.14-109,050.65-43,212.39

Finding the Fourth Proportional to 79,023.14, 109,050.65 and 43,212.39

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Solution

The fourth proportional to 79,023.14, 109,050.65 and 43,212.39 is: 59,632.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,023.14 : 109,050.65 = 43,212.39 : x
  2. Step 2: Convert to fraction form
    79,023.14/109,050.65 = 43,212.39/x
  3. Step 3: Cross multiply
    79,023.14x = 109,050.65 × 43,212.39
  4. Step 4: Simplify right side
    79,023.14x = 4,712,338,997.67
  5. Step 5: Solve for x
    x = 4,712,338,997.67/79,023.14
  6. Step 6: Final answer
    x = 59,632.39

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1.5x scale

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.