Home / 77,503.28-106,958.04-45,673.52

Finding the Fourth Proportional to 77,503.28, 106,958.04 and 45,673.52

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Solution

The fourth proportional to 77,503.28, 106,958.04 and 45,673.52 is: 63,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,503.28 : 106,958.04 = 45,673.52 : x
  2. Step 2: Convert to fraction form
    77,503.28/106,958.04 = 45,673.52/x
  3. Step 3: Cross multiply
    77,503.28x = 106,958.04 × 45,673.52
  4. Step 4: Simplify right side
    77,503.28x = 4,885,150,179.10
  5. Step 5: Solve for x
    x = 4,885,150,179.10/77,503.28
  6. Step 6: Final answer
    x = 63,031.53

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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.