Home / 70,051.28-96,706.44-54,099.92

Finding the Fourth Proportional to 70,051.28, 96,706.44 and 54,099.92

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Solution

The fourth proportional to 70,051.28, 96,706.44 and 54,099.92 is: 74,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,051.28 : 96,706.44 = 54,099.92 : x
  2. Step 2: Convert to fraction form
    70,051.28/96,706.44 = 54,099.92/x
  3. Step 3: Cross multiply
    70,051.28x = 96,706.44 × 54,099.92
  4. Step 4: Simplify right side
    70,051.28x = 5,231,810,667.48
  5. Step 5: Solve for x
    x = 5,231,810,667.48/70,051.28
  6. Step 6: Final answer
    x = 74,685.44

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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.