Home / 77,628.86-107,083.92-48,899.06

Finding the Fourth Proportional to 77,628.86, 107,083.92 and 48,899.06

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Solution

The fourth proportional to 77,628.86, 107,083.92 and 48,899.06 is: 67,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,628.86 : 107,083.92 = 48,899.06 : x
  2. Step 2: Convert to fraction form
    77,628.86/107,083.92 = 48,899.06/x
  3. Step 3: Cross multiply
    77,628.86x = 107,083.92 × 48,899.06
  4. Step 4: Simplify right side
    77,628.86x = 5,236,303,029.12
  5. Step 5: Solve for x
    x = 5,236,303,029.12/77,628.86
  6. Step 6: Final answer
    x = 67,453.05

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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.