Home / 85,674.20-128,511.27-23,344.70

Finding the Fourth Proportional to 85,674.20, 128,511.27 and 23,344.70

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Solution

The fourth proportional to 85,674.20, 128,511.27 and 23,344.70 is: 35,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,674.20 : 128,511.27 = 23,344.70 : x
  2. Step 2: Convert to fraction form
    85,674.20/128,511.27 = 23,344.70/x
  3. Step 3: Cross multiply
    85,674.20x = 128,511.27 × 23,344.70
  4. Step 4: Simplify right side
    85,674.20x = 3,000,057,044.77
  5. Step 5: Solve for x
    x = 3,000,057,044.77/85,674.20
  6. Step 6: Final answer
    x = 35,017.04

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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.