Home / 77,327.28-106,709.82-45,498.24

Finding the Fourth Proportional to 77,327.28, 106,709.82 and 45,498.24

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Solution

The fourth proportional to 77,327.28, 106,709.82 and 45,498.24 is: 62,786.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,327.28 : 106,709.82 = 45,498.24 : x
  2. Step 2: Convert to fraction form
    77,327.28/106,709.82 = 45,498.24/x
  3. Step 3: Cross multiply
    77,327.28x = 106,709.82 × 45,498.24
  4. Step 4: Simplify right side
    77,327.28x = 4,855,109,000.72
  5. Step 5: Solve for x
    x = 4,855,109,000.72/77,327.28
  6. Step 6: Final answer
    x = 62,786.50

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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.