Home / 79,921.28-119,865.36-37,783.46

Finding the Fourth Proportional to 79,921.28, 119,865.36 and 37,783.46

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Solution

The fourth proportional to 79,921.28, 119,865.36 and 37,783.46 is: 56,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,921.28 : 119,865.36 = 37,783.46 : x
  2. Step 2: Convert to fraction form
    79,921.28/119,865.36 = 37,783.46/x
  3. Step 3: Cross multiply
    79,921.28x = 119,865.36 × 37,783.46
  4. Step 4: Simplify right side
    79,921.28x = 4,528,928,034.95
  5. Step 5: Solve for x
    x = 4,528,928,034.95/79,921.28
  6. Step 6: Final answer
    x = 56,667.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.