Home / 77,713.24-107,283-50,896.84

Finding the Fourth Proportional to 77,713.24, 107,283 and 50,896.84

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Solution

The fourth proportional to 77,713.24, 107,283 and 50,896.84 is: 70,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,713.24 : 107,283 = 50,896.84 : x
  2. Step 2: Convert to fraction form
    77,713.24/107,283 = 50,896.84/x
  3. Step 3: Cross multiply
    77,713.24x = 107,283 × 50,896.84
  4. Step 4: Simplify right side
    77,713.24x = 5,460,365,685.72
  5. Step 5: Solve for x
    x = 5,460,365,685.72/77,713.24
  6. Step 6: Final answer
    x = 70,263.00

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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.