Home / 70,299.28-97,015.44-40,089.16

Finding the Fourth Proportional to 70,299.28, 97,015.44 and 40,089.16

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Solution

The fourth proportional to 70,299.28, 97,015.44 and 40,089.16 is: 55,324.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,299.28 : 97,015.44 = 40,089.16 : x
  2. Step 2: Convert to fraction form
    70,299.28/97,015.44 = 40,089.16/x
  3. Step 3: Cross multiply
    70,299.28x = 97,015.44 × 40,089.16
  4. Step 4: Simplify right side
    70,299.28x = 3,889,267,496.63
  5. Step 5: Solve for x
    x = 3,889,267,496.63/70,299.28
  6. Step 6: Final answer
    x = 55,324.43

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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.