Home / 77,409.29-106,847.50-50,555.97

Finding the Fourth Proportional to 77,409.29, 106,847.50 and 50,555.97

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Solution

The fourth proportional to 77,409.29, 106,847.50 and 50,555.97 is: 69,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,409.29 : 106,847.50 = 50,555.97 : x
  2. Step 2: Convert to fraction form
    77,409.29/106,847.50 = 50,555.97/x
  3. Step 3: Cross multiply
    77,409.29x = 106,847.50 × 50,555.97
  4. Step 4: Simplify right side
    77,409.29x = 5,401,779,004.58
  5. Step 5: Solve for x
    x = 5,401,779,004.58/77,409.29
  6. Step 6: Final answer
    x = 69,782.05

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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.