Home / 83,478.39-125,237.03-27,321.27

Finding the Fourth Proportional to 83,478.39, 125,237.03 and 27,321.27

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Solution

The fourth proportional to 83,478.39, 125,237.03 and 27,321.27 is: 40,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,478.39 : 125,237.03 = 27,321.27 : x
  2. Step 2: Convert to fraction form
    83,478.39/125,237.03 = 27,321.27/x
  3. Step 3: Cross multiply
    83,478.39x = 125,237.03 × 27,321.27
  4. Step 4: Simplify right side
    83,478.39x = 3,421,634,574.02
  5. Step 5: Solve for x
    x = 3,421,634,574.02/83,478.39
  6. Step 6: Final answer
    x = 40,988.27

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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.