Home / 76,347.36-105,362.67-50,812.92

Finding the Fourth Proportional to 76,347.36, 105,362.67 and 50,812.92

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Solution

The fourth proportional to 76,347.36, 105,362.67 and 50,812.92 is: 70,124.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,347.36 : 105,362.67 = 50,812.92 : x
  2. Step 2: Convert to fraction form
    76,347.36/105,362.67 = 50,812.92/x
  3. Step 3: Cross multiply
    76,347.36x = 105,362.67 × 50,812.92
  4. Step 4: Simplify right side
    76,347.36x = 5,353,785,112.24
  5. Step 5: Solve for x
    x = 5,353,785,112.24/76,347.36
  6. Step 6: Final answer
    x = 70,124.04

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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.