Home / 77,437.97-106,848.11-50,619.77

Finding the Fourth Proportional to 77,437.97, 106,848.11 and 50,619.77

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Solution

The fourth proportional to 77,437.97, 106,848.11 and 50,619.77 is: 69,844.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,437.97 : 106,848.11 = 50,619.77 : x
  2. Step 2: Convert to fraction form
    77,437.97/106,848.11 = 50,619.77/x
  3. Step 3: Cross multiply
    77,437.97x = 106,848.11 × 50,619.77
  4. Step 4: Simplify right side
    77,437.97x = 5,408,626,500.04
  5. Step 5: Solve for x
    x = 5,408,626,500.04/77,437.97
  6. Step 6: Final answer
    x = 69,844.63

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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.