Home / 82,954.18-124,431.18-20,624.68

Finding the Fourth Proportional to 82,954.18, 124,431.18 and 20,624.68

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Solution

The fourth proportional to 82,954.18, 124,431.18 and 20,624.68 is: 30,937.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,954.18 : 124,431.18 = 20,624.68 : x
  2. Step 2: Convert to fraction form
    82,954.18/124,431.18 = 20,624.68/x
  3. Step 3: Cross multiply
    82,954.18x = 124,431.18 × 20,624.68
  4. Step 4: Simplify right side
    82,954.18x = 2,566,353,269.52
  5. Step 5: Solve for x
    x = 2,566,353,269.52/82,954.18
  6. Step 6: Final answer
    x = 30,937.00

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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.