Home / 67,848.10-101,772.15-51,008.20

Finding the Fourth Proportional to 67,848.10, 101,772.15 and 51,008.20

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Solution

The fourth proportional to 67,848.10, 101,772.15 and 51,008.20 is: 76,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,848.10 : 101,772.15 = 51,008.20 : x
  2. Step 2: Convert to fraction form
    67,848.10/101,772.15 = 51,008.20/x
  3. Step 3: Cross multiply
    67,848.10x = 101,772.15 × 51,008.20
  4. Step 4: Simplify right side
    67,848.10x = 5,191,214,181.63
  5. Step 5: Solve for x
    x = 5,191,214,181.63/67,848.10
  6. Step 6: Final answer
    x = 76,512.30

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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.