Home / 43,078.86-64,628.64-14,994.78

Finding the Fourth Proportional to 43,078.86, 64,628.64 and 14,994.78

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Solution

The fourth proportional to 43,078.86, 64,628.64 and 14,994.78 is: 22,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,078.86 : 64,628.64 = 14,994.78 : x
  2. Step 2: Convert to fraction form
    43,078.86/64,628.64 = 14,994.78/x
  3. Step 3: Cross multiply
    43,078.86x = 64,628.64 × 14,994.78
  4. Step 4: Simplify right side
    43,078.86x = 969,092,238.50
  5. Step 5: Solve for x
    x = 969,092,238.50/43,078.86
  6. Step 6: Final answer
    x = 22,495.77

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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.