Home / 77,417.28-106,796.45-50,575.50

Finding the Fourth Proportional to 77,417.28, 106,796.45 and 50,575.50

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Solution

The fourth proportional to 77,417.28, 106,796.45 and 50,575.50 is: 69,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,417.28 : 106,796.45 = 50,575.50 : x
  2. Step 2: Convert to fraction form
    77,417.28/106,796.45 = 50,575.50/x
  3. Step 3: Cross multiply
    77,417.28x = 106,796.45 × 50,575.50
  4. Step 4: Simplify right side
    77,417.28x = 5,401,283,604.10
  5. Step 5: Solve for x
    x = 5,401,283,604.10/77,417.28
  6. Step 6: Final answer
    x = 69,768.45

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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.