Home / 67,815.40-101,723.10-46,820.20

Finding the Fourth Proportional to 67,815.40, 101,723.10 and 46,820.20

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Solution

The fourth proportional to 67,815.40, 101,723.10 and 46,820.20 is: 70,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,815.40 : 101,723.10 = 46,820.20 : x
  2. Step 2: Convert to fraction form
    67,815.40/101,723.10 = 46,820.20/x
  3. Step 3: Cross multiply
    67,815.40x = 101,723.10 × 46,820.20
  4. Step 4: Simplify right side
    67,815.40x = 4,762,695,886.62
  5. Step 5: Solve for x
    x = 4,762,695,886.62/67,815.40
  6. Step 6: Final answer
    x = 70,230.30

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Similar ratio
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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.