Home / 80,001.10-119,892.30-53,271.10

Finding the Fourth Proportional to 80,001.10, 119,892.30 and 53,271.10

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Solution

The fourth proportional to 80,001.10, 119,892.30 and 53,271.10 is: 79,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,001.10 : 119,892.30 = 53,271.10 : x
  2. Step 2: Convert to fraction form
    80,001.10/119,892.30 = 53,271.10/x
  3. Step 3: Cross multiply
    80,001.10x = 119,892.30 × 53,271.10
  4. Step 4: Simplify right side
    80,001.10x = 6,386,794,702.53
  5. Step 5: Solve for x
    x = 6,386,794,702.53/80,001.10
  6. Step 6: Final answer
    x = 79,833.84

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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.