Home / 83,178.37-124,816.97-30,624.76

Finding the Fourth Proportional to 83,178.37, 124,816.97 and 30,624.76

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Solution

The fourth proportional to 83,178.37, 124,816.97 and 30,624.76 is: 45,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,178.37 : 124,816.97 = 30,624.76 : x
  2. Step 2: Convert to fraction form
    83,178.37/124,816.97 = 30,624.76/x
  3. Step 3: Cross multiply
    83,178.37x = 124,816.97 × 30,624.76
  4. Step 4: Simplify right side
    83,178.37x = 3,822,489,750.18
  5. Step 5: Solve for x
    x = 3,822,489,750.18/83,178.37
  6. Step 6: Final answer
    x = 45,955.33

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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.