Home / 70,979.09-106,247.18-52,280.24

Finding the Fourth Proportional to 70,979.09, 106,247.18 and 52,280.24

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Solution

The fourth proportional to 70,979.09, 106,247.18 and 52,280.24 is: 78,257.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,979.09 : 106,247.18 = 52,280.24 : x
  2. Step 2: Convert to fraction form
    70,979.09/106,247.18 = 52,280.24/x
  3. Step 3: Cross multiply
    70,979.09x = 106,247.18 × 52,280.24
  4. Step 4: Simplify right side
    70,979.09x = 5,554,627,277.09
  5. Step 5: Solve for x
    x = 5,554,627,277.09/70,979.09
  6. Step 6: Final answer
    x = 78,257.24

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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.